{"title":"Michigan","description":"","products":[{"product_id":"collectors-celestite-thumbnail-mineral-specimen-unique-celestite-from-michigan-with-well-formed-crystals","title":"Celestine","description":"\u003cp\u003eImpressive group of celestite crystals with parallel growth formations, beautiful terminations, excellent luster. The celestite crystals have an unique tabular shape with glittery calcite crystals. This beautiful mineral is well loved for its beautifully shaped orthorhombic crystals, vitreous luster, and colorless to blue coloration. It forms in sedimentary environments and is often found in association with calcite and fluorite. This lovely specimen comes from Sylvania Aggregates Quarry, a primary supplier of aggregates to the Great Lakes Region. Specimens from this locality are uncommon, due to the limited access allowed to mineral collecting clubs. \u003c\/p\u003e\n\u003cp\u003eWeight: 6.47 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235991683345,"sku":"cls31","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/cba48902-il_fullxfull.6142247889_2swf.jpg?v=1741060422"},{"product_id":"celestite-crystal-on-dolostone-matrix-with-glittery-calcite-coating-from-sylvania-aggregates-quarry-in-monroe-county-michigan","title":"Celestine","description":"\u003cp\u003eGorgeous celestite specimen from Monroe County, Michigan. Features a beautiful orthorhombic celestite situated on a dolostone matrix and wrapped in hundreds of glittery calcites. An aesthetic specimen with the termination of the crystal peeking up through the calcites. Perfect for collectors who prefer smaller, ideal specimens with a lot of character.  \u003c\/p\u003e\n\u003cp\u003eWeight: 6.58 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235992076561,"sku":"cls39","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/33504fba-il_fullxfull.6426905059_mnrf.jpg?v=1741060425"},{"product_id":"large-orthorhombic-celestine-crystal-with-sugar-calcite-from-rockwood-quarry-in-michigan-usa","title":"Celestine","description":"\u003cp\u003eLarge celestite crystal with excellent luster and glittery sugar calcite. This specimen is a great representation of Michigan celestite.\u003c\/p\u003e\n\u003cp\u003eWeight: 80.32 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235992240401,"sku":"cls33","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/cls00x_3_of_6.jpg?v=1779211359"},{"product_id":"exceptional-celestine-specimen-with-interesting-radially-arranged-crystallization-from-sylvania-minerals-quarry-in-monroe-co-mi-43-mm","title":"Celestine","description":"\u003cp\u003ePhenomenal in both crystal arrangement and luster, this fine celestine specimen displays fantastic radial formation with hundreds of glistening faces. I've noticed this interesting habit in a handful of few pieces I've collected from this locale, however, few have such a sculptural appearance to them. They're somewhat reminiscent of the shape of gwindel quartz, as each crystal looks to be rotated around some axis. From the Sylvania Minerals Quarry in Monroe County MI, located just 6 miles from the more well-known Holloway Quarry. I collected this piece myself in the summer of 2023.\u003c\/p\u003e\n\u003cp\u003eWeight: 36.89 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235993387281,"sku":"cls48","price":195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/cls34.png?v=1780711973"},{"product_id":"zoned-celestite-crystal-with-unique-coloration-from-holloway-quarry-natural-michigan-crystal-specimen","title":"Celestine","description":"\u003cp\u003eLarge single celestite crystal with blue rim and colorless core zonation. An attractive specimen with nice chunky shape and large faces.\u003c\/p\u003e\n\u003cp\u003eWeight: 25.08 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235994108177,"sku":"cls25","price":35.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/ff2d68f8-il_fullxfull.6108444342_gs1a.jpg?v=1741060423"},{"product_id":"calcite-with-strontantinite-specimen-with-excellent-luster-snowball-calcite-from-michigan-46-mm","title":"Calcite with Strontianite","description":"\u003cp\u003eGorgeous calcite specimen with glittery white crystals in spheroidal arrangement. \u003c\/p\u003e\n\u003cp\u003eWeight: 17.36 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235995844881,"sku":"cal41","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/b2e8479e-il_fullxfull.6331661799_a4j6.jpg?v=1741060423"},{"product_id":"celestite-with-sulfur-inclusion-zoned-celestite-specimen-from-michigan-usa","title":"Celestine","description":"\u003cp\u003eBeautiful blue celestite crystal specimen with small sulfur inclusion and blue rim with gray core zoning. Nice chunky celestite crystal with attractive color zoning. \u003c\/p\u003e\n\u003cp\u003eWeight: 27.93 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235996664081,"sku":"cls21","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/900dff5f-il_fullxfull.6355544839_884w.jpg?v=1749008827"},{"product_id":"snowball-calcite-druzy-with-strontianite-raw-pocket-specimen-35-mm","title":"Calcite with Strontianite","description":"\u003cp\u003eGlittery calcite crystals with white strontianite crystals. Specimen has thousands of tiny calcites with rhombohedral crystal forms form and bright white strontianite crystals. This crystal specimen comes from a dolostone pocket in the Sylvania Minerals Quarry in Michigan, USA. S\u003c\/p\u003e\n\u003cp\u003eWeight: 12.20 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235996533009,"sku":"cal25","price":16.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/4b311359-il_fullxfull.6235936562_6o8q.jpg?v=1741060423"},{"product_id":"celestite-mineral-specimen-from-holloway-quarry-in-michigan-22-mm-celestite-with-snowball-calcite-crystals","title":"Celestine","description":"\u003cp\u003eBeautiful celestite crystal with termination, snowball calcite crystals, cleaved side. A lovely crystal from a classic Michigan locality. \u003c\/p\u003e\n\u003cp\u003eWeight: 6.95 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235997286673,"sku":"cls36","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/30e573aa-il_fullxfull.6468113503_86pz.jpg?v=1741060424"},{"product_id":"calcite-on-matrix-with-waxy-luster-from-sylvania-minerals-quarry-calcite-mineral-specimen-from-michigan-32-mm","title":"Calcite","description":"\u003cp\u003eBeautiful calcite crystal cluster on dolostone matrix with excellent waxy luster. The well-formed rhombohedral calcite crystals are situated upon a glittery dolostone matrix. Gorgeous specimen from a classic Michigan locality. See dimensions below. \u003c\/p\u003e\n\u003cp\u003eWeight: 27.58 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235998597393,"sku":"cal43","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/e57ddc5b-il_fullxfull.6240545830_qrez.jpg?v=1741060424"},{"product_id":"honey-calcite-on-matrix-with-waxy-luster-from-michigan-usa-32-mm","title":"Calcite","description":"\u003cp\u003eExcellent golden-colored calcite crystals situated upon a shimmering layer of tiny calcite crystals on a dolostone matrix. Gorgeous specimen from a uncommon Michigan locality. \u003c\/p\u003e\n\u003cp\u003eWeight: 7.61 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235998564625,"sku":"cal21","price":16.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/f1073f1c-il_fullxfull.6235928206_mr63.jpg?v=1741060426"},{"product_id":"excellent-calcite-specimen-with-celestite-from-sylvania-minerals-quarry-in-michigan-32-mm","title":"Calcite","description":"\u003cp\u003eAttractive and well-formed calcite crystal with termination on matrix, with associated gray-blue celestite. A coating of tiny, gemmy, calcite crystals give the matrix a beautiful sparkly appearance.\u003c\/p\u003e\n\u003cp\u003eWeight: 12.48 grams\u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235998466321,"sku":"cal23","price":30.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/77546c2f-il_fullxfull.6283978577_lffp.jpg?v=1741060424"},{"product_id":"calcite-vug-crystal-in-dolostone-with-yellow-coloration-and-aesthetic-arrangement-57-mm","title":"Calcite","description":"\u003cp\u003eRhombohedral golden calcite crystal nestled in a pocket in dolostone matrix. Gorgeous specimen from a classic Michigan locality. Calcite is renowned for its diverse crystal forms and vibrant colors, ranging from colorless to brilliant shades. This captivating mineral often forms in sedimentary rocks through the precipitation of calcium-rich waters. As these waters evaporate over time, stunning calcite crystals are left behind. Michigan calcite is particularly prized, typically found in limestone and dolostone quarries beneath many layers of bedrock.\u003c\/p\u003e\n\u003cp\u003eWeight: 44.82 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235998531857,"sku":"cal22","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/1eb7223a-il_fullxfull.6176648897_lc8l.jpg?v=1741060424"},{"product_id":"natural-honey-calcite-specimen-from-michigan-rhombohedral-calcites-on-matrix-with-golden-color","title":"Calcite","description":"\u003cp\u003eBeautiful golden calcite crystals on a dolostone matrix. A gorgeous Michigan specimen with great luster and color.\u003c\/p\u003e\n\u003cp\u003eWeight: 12.78 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235998728465,"sku":"cal42","price":22.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/37b54421-il_fullxfull.6240525230_caj1.jpg?v=1741060424"},{"product_id":"celestine-cluster-with-great-transparency-on-matrix-from-holloway-quarry-in-michigan-mineral-thumbnail-specimen-23-mm","title":"Celestine","description":"\u003cp\u003eAn aesthetic arrangement of celestine on dolostone matrix from the classic Michigan locality, Holloway Quarry. \u003c\/p\u003e\n\u003cp\u003e Weight: 5.40 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235998990609,"sku":"cls38","price":10.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/3ed7076c-il_fullxfull.6281923867_tetm.jpg?v=1741060424"},{"product_id":"golden-calcite-mineral-specimen-yellow-crystals-on-sparkly-calcite-coated-matrix-from-sylvania-minerals-quarry-in-michigan-42-mm","title":"Calcite","description":"\u003cp\u003eBeautiful golden-colored calcite crystals situated upon a shimmering layer of tiny calcite crystals on a dolostone matrix.\u003c\/p\u003e\n\u003cp\u003eWeight: 31.45 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235999187217,"sku":"cal40","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/0d7db727-il_fullxfull.6224888636_lyqr.jpg?v=1741060424"},{"product_id":"honey-calcite-crystal-with-waxy-luster-on-dolostone-from-sylvania-minerals-quarry-in-michigan-usa-48-mm","title":"Calcite","description":"\u003cp\u003eA beautiful honey calcite crystal perched upon a dolostone matrix. A well-formed crystal with waxy luster.\u003c\/p\u003e\n\u003cp\u003eWeight: 76.48 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236000235793,"sku":"cal48","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/95b28c12-il_fullxfull.6506966556_7onw.jpg?v=1741060423"},{"product_id":"yellow-calcite-crystals-with-great-luster-and-curved-faces-from-sylvania-minerals-quarry-in-michigan-usa-61-mm","title":"Calcite","description":"\u003cp\u003eAwesome golden-yellow calcites with great luster and interesting curved faces on dolostone. A beautiful Michigan specimen with well-formed crystals. Sits upright or lays flat for display, but should be supported if displayed upright (with a stand or mineral putty) for added security. \u003c\/p\u003e\n\u003cp\u003eWeight: 63.43 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236000268561,"sku":"cal49","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/dbd29495-il_fullxfull.6506960674_7udn.jpg?v=1741060423"},{"product_id":"beautiful-calcite-cluster-on-dolostone-from-sylvania-minerals-quarry-in-michigan-usa-56-mm","title":"Calcite","description":"\u003cp\u003eExcellent mineral specimen with distinct, well-formed, calcite crystals on dolostone. Features light amber-yellow crystals with good luster and aesthetic arrangement. \u003c\/p\u003e\n\u003cp\u003eWeight: 155.9 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236000399633,"sku":"cal47","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/a8fa036d-il_fullxfull.6553264601_7vsp.jpg?v=1741060424"},{"product_id":"golden-yellow-calcite-from-sylvania-minerals-quarry-in-monroe-county-michigan-51-mm","title":"Calcite","description":"\u003cp\u003eBeautiful calcite specimen featuring a sharp calcite crystal accented by fine glittery crystals. A group of medium calcites sit tucked alongside a glittery sugar calcite coating. Can be easily sat upright or lay on flat for display.\u003c\/p\u003e\n\u003cp\u003eWeight: 62.81 grams\u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236000727313,"sku":"cal46","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/6ee6d8c1-il_fullxfull.6552936469_rsr8.jpg?v=1741060424"},{"product_id":"yellow-calcite-crystals-with-great-luster-and-curved-faces-from-sylvania-minerals-quarry-in-michigan-usa-47-mm","title":"Calcite","description":"\u003cp\u003eBeautiful golden-yellow calcite crystals with a lovely waxy luster and curved faces. A great piece for any collection in need of a Michigan specimen. \u003c\/p\u003e\n\u003cp\u003eWeight: 49.84 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236000563473,"sku":"cal45","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/5a652721-il_fullxfull.6504752714_n35t.jpg?v=1741060423"},{"product_id":"stunning-large-celestite-display-specimen-natural-blue-celestite-crystal-from-holloway-quarry","title":"Celestine","description":"\u003cp\u003eGorgeous large celestite specimen with beautiful luster and coloration. From a classic Michigan locality. The mineral celestite, also known as celestine, is well loved for its beautifully shaped orthorhombic crystals and iconic steel-gray-blue color. It forms in sedimentary environments and can be found in association with calcite, sulfur, and fluorite. \u003c\/p\u003e\n\u003cp\u003eWeight: 905 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236002201873,"sku":"cls34-lg","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/9ce114ea-il_fullxfull.6198240739_8278.jpg?v=1741060427"},{"product_id":"celestite-display-piece-from-michigan-cabinet-specimen-with-large-steel-blue-crystals-and-sugar-calcite","title":"Celestine","description":"\u003cp\u003eStunning celestite cluster with glittery, sugar calcite on dolostone matrix. Beautiful coloration and orthorhombic crystal forms. A great piece to display on a shelf, desk, or in a mineral cabinet! \u003c\/p\u003e\n\u003cp\u003eWeight: 330 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236002398481,"sku":"cls35-lg","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/afaca4cd-il_fullxfull.6150131458_on08.jpg?v=1741060423"},{"product_id":"golden-calcite-crystals-on-dolostone-matrix-from-michigan-with-rhombohedral-crystal-form","title":"Calcite","description":"\u003cp\u003eStunning calcite on dolostone matrix with golden-honey coloration. Well-formed rhombohedral calcite crystals with waxy luster from a classic Michigan locality. Calcite is renowned for its diverse crystal forms and vibrant colors, ranging from colorless to brilliant shades. This captivating mineral often forms in sedimentary rocks through the precipitation of calcium-rich waters. As these waters evaporate over time, stunning calcite crystals are left behind. Michigan calcite is particularly prized, frequently found in limestone and dolostone quarries beneath many layers of bedrock. \u003c\/p\u003e\n\u003cp\u003eWeight: 116.13 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236002824465,"sku":"cal36","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/51629dc5-il_fullxfull.6128219062_ly4i.jpg?v=1741060424"},{"product_id":"celestine-with-dolostone-from-great-lakes-aggregates-quarry-in-michigan-usa-natural-celestite-crystal-with-inclusions","title":"Celestine","description":"\u003cp\u003eLovely celestite specimen with fantastic luster and great clarity- allows you to see the dolostone within the glassy faces of this natural crystal. \u003c\/p\u003e\n\u003cp\u003eWeight: 10.18 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236003414289,"sku":"cls44","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/4a8544d9-il_fullxfull.6413909012_n388.jpg?v=1741060423"},{"product_id":"celestine-with-sugar-calcite-thumbnail-specimen-michigan-celestite-crystal-13-mm","title":"Celestine","description":"\u003cp\u003eAn awesome little celestine thumbnail specimen with great luster and a thick sugar calcite coating. Perfect for a celestite collector seeking thumbnails from various localities.\u003c\/p\u003e\n\u003cp\u003eWeight: 3.18 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236003479825,"sku":"cls43","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/17fed859-il_fullxfull.6413863750_fcq4.jpg?v=1741060423"},{"product_id":"celestite-with-calcite-thumbnail-specimen-with-parallel-growth-crystal-formation-michigan-raw-mineral-specimen","title":"Celestine","description":"\u003cp\u003eBeautiful celestite and calcite thumbnail specimen displaying parallel growth crystal formation, nice luster, and aesthetic crystal arrangement. \u003c\/p\u003e\n\u003cp\u003eWeight: 3.46 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236003447057,"sku":"cls32","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/2ed7beeb-il_fullxfull.6156511561_ay3p.jpg?v=1741060423"},{"product_id":"celestine-on-dolostone-with-exceptional-luster-from-great-lakes-aggregates-quarry-michigan-usa","title":"Celestine","description":"\u003cp\u003eBeautiful celestine crystals perched on a dolostone matrix. A great specimen that well represents high-quality Michigan celestine. This beautiful mineral is well loved for its beautifully shaped orthorhombic crystals, vitreous luster, and colorless to blue coloration. It forms in sedimentary environments and is often found in association with calcite and fluorite. This lovely specimen comes from Sylvania Aggregates Quarry, a primary supplier of aggregates to the Great Lakes Region. Specimens from this locality are uncommon, due to the limited access allowed to mineral collecting clubs. \u003c\/p\u003e\n\u003cp\u003eWeight: 21.68 grams  \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236003512593,"sku":"cls45","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/d326f470-il_fullxfull.6460747341_d39w.jpg?v=1741060429"},{"product_id":"calcite-on-matrix-with-golden-honey-coloration-from-sylvania-minerals-quarry-michigan-mineral-specimen","title":"Calcite","description":"\u003cp\u003eStunning calcite on dolostone matrix with golden coloration and waxy luster. A beautiful, crystal-coated, mineral specimen from a rare Michigan locality. Calcite is renowned for its diverse crystal forms and vibrant colors, ranging from colorless to brilliant shades. This captivating mineral often forms in sedimentary rocks through the precipitation of calcium-rich waters. As these waters evaporate over time, stunning calcite crystals are left behind. Michigan calcite is particularly prized, typically found in limestone and dolostone quarries beneath many layers of bedrock.\u003c\/p\u003e\n\u003cp\u003eWeight: 60.46 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236003709201,"sku":"cal33","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/eb5ff0cd-il_fullxfull.6147052235_i4tp.jpg?v=1741060426"},{"product_id":"honey-calcite-on-matrix-rockwood-quarry-mineral-specimen-38-mm","title":"Calcite","description":"\u003cp\u003eLovely golden-colored calcite crystals situated upon a glittery, calcite-coated dolostone matrix. Gorgeous specimen from a Michigan locality. Calcite is renowned for its diverse crystal forms and vibrant colors, ranging from colorless to brilliant shades. This captivating mineral often forms in sedimentary rocks through the precipitation of calcium-rich waters. As these waters evaporate over time, stunning calcite crystals are left behind. Michigan calcite is particularly prized, typically found in limestone and dolostone quarries beneath many layers of bedrock.\u003c\/p\u003e\n\u003cp\u003eWeight: 18.97 grams \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51236003676433,"sku":"cal34","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/4a191878-il_fullxfull.6147038507_sz9t.jpg?v=1741060424"},{"product_id":"native-copper-with-barite","title":"Native Copper with Barite","description":"\u003cp\u003eA striking specimen of native copper from the historic White Pine Mine in Michigan's Upper Peninsula, featuring a vibrant blue-green patina of minerals and an oxidized tenorite coating. Delicate barite contrasts beautifully against the copper's rich tones, adding depth and texture to this piece. The White Pine Mine played a vital role in Michigan's and the United States mining history, producing approximately 4 billion pounds of copper and 45 million ounces of silver during its operation. Today, the mine is flooded, and while most of its copper was refined and lost to industry, only a limited number of natural specimens remain in circulation. This piece comes with its original label, connecting it to the legacy of one of Michigan's most significant mineral-producing localities. A rare and compelling addition to any collection, preserving a piece of American mining history. See dimensions below.\u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51464574107921,"sku":"Cu25","price":165.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/il_fullxfull.6715610332_1vr8.jpg?v=1745523666"},{"product_id":"native-copper","title":"Native Copper","description":"\u003cp\u003eGorgeous native copper from the Keweenaw Peninsula in Michigan. An intricately detailed specimen with small calcite crystals intertwined with lustrous copper. A great piece of Michigan's history that well represents the beauty of copper in its raw form. Measures 41 mm at its widest point.\u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51464576794897,"sku":"Cu26","price":35.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/il_fullxfull.6727245544_f3b5.jpg?v=1745523681"},{"product_id":"prehnite-with-copper-inclusions-on-amygdaloidal-basalt","title":"Prehnite with Native Copper","description":"\u003cp\u003eA rare and exceptional association of prehnite and native copper from Michigan's renowned Keweenaw Peninsula. Botryoidal prehnite with a soft mint-green hue sits attractively atop amygdaloidal basalt, creating a striking contrast. Within the translucent prehnite, native copper inclusions are visible, with tiny oxidized black copper specks emerging just above the surface. Though partially concealed by the green prehnite, the copper's distinctive color remains unmistakable. A rare combination of minerals, with few specimens available on the market. Miniature sized specimen.\u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51464577417489,"sku":"Cu28","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/il_fullxfull.6809344609_1t9z.jpg?v=1773477618"},{"product_id":"quartz-adularia-and-epidote-on-amygdaloidal-basalt","title":"Quartz, Microcline, and Epidote on Amygdaloidal Basalt","description":"\u003cp\u003eA beautiful mineral combination of milky quartz with a vitreous luster, light orange microcline variety adularia, and granular green epidote. The crystals sit in a little pocket with an amygdaloidal basalt matrix. It is from the historic Mass C mine in Ontonagon, Michigan. I a quired this piece from Karl Schaffer who collected it in the early 70s when he and his friends were granted access to old mine shafts on private property, venturing up to half a mile underground. These shafts are now inaccessible, and very few specimens from this locality exist on the market today. \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51464577614097,"sku":"Cu29","price":45.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/il_fullxfull.6811903483_4scp.jpg?v=1745523712"},{"product_id":"adularia","title":"Microcline Var. Adularia","description":"\u003cp\u003eA stunning thumbnail specimen of the microcline variety, adularia, from the historic Mass C Mine in Ontonagon, Michigan. I acquired this piece from the miner, Karl Schaffer, who collected it in the early 70s when he and his friends were granted access to old mine shafts on private property, venturing up to half a mile underground. This specimen was discovered in the 3rd level of the mine shaft, which was coined the \"Silver Forest.\" \u003c\/p\u003e\n\u003cp\u003eThe unique and vibrant orange color of the microcline is due to the presence of disseminated copper within the crystals. This thumbnail-sized specimen shows particularly good color and luster.\u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51464579678481,"sku":"Cu34","price":25.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/il_fullxfull.6763861602_jirw.jpg?v=1768939859"},{"product_id":"mineral-collectioncalcitemin1874mineral","title":"Calcite","description":"A sharp and aesthetic specimen from the Sylvania Minerals Quarry, featuring golden yellow rhombohedral crystals perched on matrix. The calcite displays stepped crystal faces and excellent waxy luster, with a color that stands out as excellent for the locality. Michigan specimens of this caliber are seldom seen on the market today, as collecting access to the quarry is limited to just a few organized field trips each year.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51585812496657,"sku":"min1874","price":45.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1874_3.jpg?v=1748738490"},{"product_id":"mineral-collectioncelestine-calcitemin1918mineral","title":"Celestine \u0026 Calcite","description":"This sharp blocky celestine crystal displays a light blue-gray translucency and a soft matte luster. Wisps of sulfur inclusions dance within the faces, while tiny white calcite growths nestle in subtle etch pits. Collected in April 2024 from Sylvania Minerals Quarry in Rockwood, Michigan, this classic specimen is rare due to limited annual access by only a handful of mineral clubs.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51617961902353,"sku":"min1918","price":52.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1918_1.jpg?v=1748752887"},{"product_id":"min1929calcite","title":"Calcite","description":"A single golden yellow calcite crystal in excellent condition, displaying a beautiful waxy luster and distinctive stepped faces. The crystal sits gracefully on a sandy dolostone matrix, with the vibrant yellow color making it especially striking. This piece offers an impressive example of calcite from this locality, showcasing both great color and texture.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51656289517841,"sku":"min1929","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1929-1638.jpg?v=1749185852"},{"product_id":"min1939celestine-calcite","title":"Celestine \u0026 Calcite","description":"An excellent celestine specimen with vitreous luster and fine sugar calcites embedded across the crystal faces. The piece displays attractive coloration and a unique curved shape. Sourced from the Sylvania Minerals Quarry.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51687798735121,"sku":"min1939","price":50.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1939-6.jpg?v=1749491955"},{"product_id":"cu30","title":"Quartz, Microcline, and Epidote","description":"\u003cp\u003eA beautiful milky quartz specimen lightly encrusted with distinctive orange microcline crystals, accented by bright green epidote and perched atop dark amygdaloidal basalt. This lovely piece comes from the historic Mass C shaft in Ontonagon, Michigan. I acquired this specimen from Karl Schaffer, who collected it in the early 70s when he and his friends were exploring old mine shafts—venturing up to half a mile underground. These shafts are now inaccessible, and very few of these specimens are available on the market. The orange coloration of the microcline is due to disseminated copper, offering a notable contrast against the quartz and epidote. A unique and tangible piece of Michigan's rich mining history. \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51727747973393,"sku":"Cu30","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/Cu30_3_31566176-0e11-41c5-b507-4039976c4a2f.jpg?v=1750374416"},{"product_id":"cu31","title":"Prehnite \u0026 Copper","description":"\u003cp\u003eRemarkable prehnite with native copper inclusions from the  Keweenaw Peninsula in Michigan. Within the shiny, mint-green prehnite crystals, native copper inclusions are visible, with tiny oxidized black copper specks emerging just above the surface. Though partially concealed by the green prehnite, the copper’s distinctive color remains unmistakable. An uncommon combination of minerals, with few specimens available on the market.\u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51727748202769,"sku":"Cu31","price":34.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/Cu31_2.jpg?v=1750374354"},{"product_id":"cu32","title":"Prehnite","description":"\u003cp\u003eA lovely cluster of pale green prehnite crystals from the Keweenaw Peninsula of Michigan. The prehnite forms rounded, botryoidal aggregates with a softly translucent surface and subtle sheen. Delicate crystal faces give the piece added depth and texture. Accents of contrasting matrix and earthy tones complete the specimen, offering a classic example of Michigan prehnite with appealing color and form.\u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51727748301073,"sku":"Cu32","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/Cu32_3.jpg?v=1750374271"},{"product_id":"min1966celestine-calcite","title":"Calcite \u0026 Celestine","description":"Warm honey-gold calcite crystals line a dolostone matrix from the Sylvania Minerals Quarry, South Rockwood, Monroe Co., Michigan. The calcites show the soft, waxy luster and sharp faces for which the locality is known, ranging from stout scalenohedra to crisp rhombs. Nestled alongside, a cluster of faint blue celestine offers a cool color contrast and a different crystal habit, creating an appealing two-species composition. Fine drusy of calcite along the rim adds extra sparkle without distracting from the main pairing. Choice Michigan combo specimen for  collectors!","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51741088121105,"sku":"min1966","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1966_3.jpg?v=1750872321"},{"product_id":"min2009celestine-calcite","title":"Celestine \u0026 Calcite","description":"Beautiful cluster of celestine crystals with attached matrix and sugar calcite crystals. The luster of the celestines is glassy and glistens in good lighting. An awesome Michigan specimen!","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51878537396497,"sku":"min2009","price":28.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min2009_3.jpg?v=1759955159"},{"product_id":"min2010celestine-calcite","title":"Celestine \u0026 Calcite","description":"A sharp, well-formed single crystal of glassy celestine with a faint blue hue and fine sugar calcites embedded in the faces. This attractive specimen is a 2024 find from Sylvania Minerals Quarry in Monroe County, MI. An overall lovely crystal with superb luster and sharp edges.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51881235513617,"sku":"min2010","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min2010_5.jpg?v=1759955159"},{"product_id":"min2056prehnite-with-copper","title":"Prehnite with Copper","description":"A lovely specimen of Michigan prehnite with a subtle sheen and light green coloration, accented with a small crystal of euhedral native copper. While copper is often found in association with minerals such as calcite, prehnite associations are far less common. This piece is a fantastic example of this unique Michigan pairing. ","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":52503159472401,"sku":"min2056","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min2056_2.jpg?v=1761182210"},{"product_id":"min2061calcite","title":"Calcite","description":"Deep brown calcite forming crisp rhombic crystals with a bright vitreous-to-waxy luster. The crystals are densely clustered with good definition along edges and terminations, giving the piece a textured, three-dimensional surface. From the Sylvania Minerals Quarry, Monroe County, Michigan—an appealing Midwest locality example that shows the classic rhombic habit and rich color.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":52514211037457,"sku":"min2061","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min2061_1.jpg?v=1761183674"},{"product_id":"prehnite-with-native-copper","title":"Prehnite with Native Copper","description":"\u003cp\u003eBeautiful light green prehnite with metallic copper peeking out between the crevices of the crystals. An uncommon pairing of minerals from Michigan's Keweenaw Peninsula. \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":52627306545425,"sku":"min2074","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min-24.jpg?v=1761691878"},{"product_id":"min2095celestine-calcite","title":"Celestine \u0026 Calcite","description":"A superb celestine specimen from Sylvania Minerals Quarry, Michigan, exhibiting complex parallel growth with multiple aligned terminations along its length. The crystal shows sharp faces with excellent vitreous luster and is accompanied by secondary calcite growth on the reverse side. An outstanding example from this seldom-seen Michigan locality.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":52710510330129,"sku":"min2095","price":150.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min2095_6_of_7.jpg?v=1762881571"},{"product_id":"min3057native-copper","title":"Native Copper","description":"Gorgeous native copper from the Keweenaw Peninsula in Michigan. A stunning specimen with intricate structures and metallic luster. A great piece of Michigan's history that well represents the beauty of copper in its raw form.  ","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":53042037981457,"sku":"min3057","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min30_1of3.jpg?v=1768900020"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/collections\/Cu31_2_5dc821cc-746a-4e50-9bfa-289423f8d31f.jpg?v=1750397678","url":"https:\/\/adamantineminerals.com\/collections\/michigan.oembed?page=3","provider":"Adamantine Minerals","version":"1.0","type":"link"}