{"title":"Calcite","description":"","products":[{"product_id":"blue-fluorite-with-calcite-and-quartz-on-matrix-raw-mineral-specimen-from-china","title":"Fluorite, Calcite, and Quartz","description":"\u003cp\u003eLovely blue octahedral fluorite crystals on a needle-quartz coated matrix. On one side of this crystal there are bladed calcites dotted along the clear quartz. 137.35 grams.\u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235993321745,"sku":"fl51","price":52.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/fl00-2.jpg?v=1761705640"},{"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":"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":"stunning-blue-purple-fluorite-with-great-luster-and-calcite-rider-crystals-fine-mineral-specimen","title":"Fluorite and Calcite","description":"\u003cp\u003eStunning fluorite specimen with great color zoning and glassy luster. A very attractive fluorite, beautifully accented by calcite crystals with great crystal form. From the renowned Yaogangxian Mine in Hunan, China. 32.53 grams. \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51235997122833,"sku":"fl20","price":30.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/9a7d601c-il_fullxfull.6659000863_ts81.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":"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":"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":"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":"calcite","title":"Calcite","description":"\u003cp\u003eA lovely cluster of scalenohedral calcite crystals from Wood County, Ohio. This thumbnail-sized specimen is a great representation of Ohio calcites, with the classic \"dogtooth\" shape and a light yellow hue. \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51260045918481,"sku":"cal52","price":24.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/cal52_3.jpg?v=1741290455"},{"product_id":"calcite-and-marcasite","title":"Calcite and Marcasite","description":"\u003cp\u003eA truly beautiful piece out of Indiana, a sharp scalenohedral calcite with a dusting of marcasite crystals. The calcite has a nearly glassy luster, which shines through the contrasting metallic marcasite crystals. 15.59 g. \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51394372141329,"sku":"cal58","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/cal58_5.jpg?v=1743657412"},{"product_id":"chalcopyrite-calcite-quartz-and-dolomite","title":"Chalcopyrite, Calcite, Quartz and Dolomite","description":"\u003cp\u003eColorful chalcopyrites with a metallic luster scattered across a backdrop of quartz and dolomite. A glassy crystal of calcite with double-terminations sits prominently on this piece displaying a beautiful scalenohedral form. Brushy Creek Mine, located in Missouri, USA, is known for its attractive pairings of calcite and chalcopyrite. \u003c\/p\u003e\n\u003cp\u003e178.35 grams.\u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51464567193873,"sku":"Ccp08","price":60.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/il_fullxfull.6812181223_3qb6.jpg?v=1750396330"},{"product_id":"mineral-collectioncalcitemin1854mineral","title":"Calcite","description":"Aesthetic pagoda-style calcite specimen from China featuring two prominent towers of stacked calcite crystals. These structures appear to have formed as secondary growth around two underlying scalenohedral calcites, resulting in the distinctive pillar-like shapes. The crystals range from clear to white with areas of cloudiness and exhibit a waxy to greasy luster typical of calcite. A sculptural and naturally formed piece that highlights classic Chinese calcite development.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51585242038545,"sku":"min1854","price":68.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1854-1.jpg?v=1748234222"},{"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":"mineral-collectioncalcite-barite-min1920mineral","title":"Calcite \u0026 Barite","description":"Beautiful golden calcite crystals situated a matrix with white barite clusters. An excellent thumbnail specimen of Pugh Quarry calcite with sharp, well-formed, scalenohedral crystals and a very attractive color range. The matrix against the golden calcite crystals makes this an especially eye catching specimen.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51617961935121,"sku":"min1920","price":18.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1920_1.jpg?v=1748752783"},{"product_id":"mineral-collectioncalcite-barite-min1921mineral","title":"Calcite \u0026 Barite","description":"A tiny cluster of sharp scalenohedral calcites with white barite. Excellent crystal form and soft yellow color. This is a small, thumbnail-sized, specimen from Pugh Quarry in Ohio, a now closed collecting locality. Measures 20 mm at greatest dimension, approximately the length of a penny.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51617961967889,"sku":"min1921","price":16.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1921_1.jpg?v=1748752721"},{"product_id":"min1922-copycalcite-barite","title":"Calcite \u0026 Barite","description":"Lovely little yellow calcite crystal accented by white barite clusters. From Pugh Quarry in Ohio, a prominent locality for fine calcite specimens, no longer open to the public for collecting. This specimen was collected in 1991 and remained in a private collection until now.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51625501425937,"sku":"min1922","price":14.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1922-1.jpg?v=1748937949"},{"product_id":"min1926calcite","title":"Calcite","description":"A interesting group of opaque calcite crystals with a chalky luster and nice arrangement. This specimen was recovered from a pocket in a quarry that spent many years submerged underwater, which left behind little amounts of green coloration from algae. A nice miniature sized specimen with a very different appearance than most Ohio calcites!","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51652596826385,"sku":"min1926","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1926-1623.jpg?v=1749159580"},{"product_id":"min1932celestine-calcite","title":"Celestine \u0026 Calcite","description":"A blocky to tabular celestine crystal showing opaque white and light blue coloration. The crystal has a soft luster, and tiny calcite crystals can be seen scattered along several faces. A subtly colorful and well-formed piece with nice texture and contrast.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51655100793105,"sku":"min1932","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1932-1654.jpg?v=1749182963"},{"product_id":"min1934calcite","title":"Calcite","description":"A cluster of scalenohedral calcite crystals with a warm brownish-orange to yellow coloration, arranged aesthetically on a sandy matrix. The calcites exhibit a light brown coating in areas, lending the crystals an overall orangish tone. A visually appealing specimen with classic form and earthy contrast.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51655646413073,"sku":"min1934","price":20.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1934-4.jpg?v=1749183257"},{"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":"min1941calcite","title":"Calcite","description":"A fine calcite specimen from Daye Co., Huangshi, Hubei, China, exhibiting two distinct phases of growth. An inner scalenohedral calcite is fully encased within a later generation of calcite, creating a striking visual effect with excellent internal contrast. The sharp crystal form and layered appearance make this an especially appealing example from this locality.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51687801192721,"sku":"min1941","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1941-4.jpg?v=1749491945"},{"product_id":"min1954calcite-galena-dolomite","title":"Calcite, Galena \u0026 Dolomite","description":"A uniquely textured cluster of yellow calcite crystals with soft golden coloration and stepped growth patterns across the surface. The calcite displays a mix of translucent and more opaque areas, with higher clarity along the sharply defined edges. The contrasting matrix of dark gray druzy of galena and dolomite enhances the visual appeal and provides a natural backdrop for the calcite’s warm tone. A sculptural miniature with great contrast and form. The locality of this piece is uncertain, but I suspect it to be from Missouri due to the assemblage of minerals and other pieces from the same collector.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51721224519953,"sku":"min1954","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1954-2.jpg?v=1750372041"},{"product_id":"min1965celestine-calcite","title":"Celestine \u0026 Calcite","description":"A chunky, sky-blue celestine crystal crowns one edge of a Wood County, Ohio matrix, while a drape of terminated, clear to tan calcite points cascades across the remaining surface. The celestine exhibits the textbook blocky habit for the locality, its faces softly frosted yet still revealing faint internal zoning. In contrast, the calcites are bright and semi-transparent, flashing light that accentuates the pastel blue beneath. Pieces that balance both species so evenly are far less common than pure celestine plates, and the unusually clear calcites lend a fresh look to this classic Midwestern occurrence. The sandy host may shed a bit of loose grit when moved, but the crystallized section remains solid and ready for display.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51741049389329,"sku":"min1965","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1965_3.jpg?v=1750872381"},{"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":"min1967calcite-hematite","title":"Calcite \u0026 Hematite","description":"A stack of disk-shaped calcite crystals exhibits deep red tones from hematite inclusions. The luster shifts from glassy on the crystal faces to a more subdued, earthy sheen, and the layered arrangement presents beautifully from multiple viewing angles.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51746633777425,"sku":"min1967","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1967_1.jpg?v=1751392610"},{"product_id":"min1976calcite-marcasite","title":"Calcite \u0026 Marcasite","description":"An appealing miniature specimen featuring translucent, scalenohedral to rhombohedral calcite crystals perched on a matrix of brassy, metallic marcasite from the iconic Linwood Mine in Iowa, USA. The calcite displays sharp terminations, while the marcasite glistens with a brilliant metallic luster. This combination highlights the contrasting habits and lusters that collectors prize in classic Iowa mineralogy. ","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51767302717713,"sku":"min1976","price":32.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1976-1.jpg?v=1751510441"},{"product_id":"min1977calcite-marcasite","title":"Calcite \u0026 Marcasite","description":"A stunning cluster of glassy calcite with glittery marcasite flecks scattered within the crystals. The lustrous faces of the gemmy prisms catch light from all directions, highlighting the crisp form and intricate details of the lustrous faces. This specimen is an excellent representation of why Linwood Mine calcites are held in such high regard by collectors. Its combination of luster, clarity, and sculptural form make it an ideal specimen for collectors with an interest on fine calcites and USA mineral specimens. ","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51769099976977,"sku":"min1977","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1977_1.jpg?v=1751484008"},{"product_id":"min1978calcite-barite","title":"Calcite \u0026 Barite","description":"An awesome mineral pairing out of the Linwood Mine in Iowa; a prominent, disk-shaped calcite crystal accented at its base by a cluster of sharp barites with a faint yellow hue. Overall, a lovely, well balanced piece with excellent form. The translucence of the crystals allows light to pass through and illuminate the specimen, giving it a subtle glow when backlit. ","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51769100009745,"sku":"min1978","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1978_5.jpg?v=1751510430"},{"product_id":"min1982calcite-with-marcasite-inclusions","title":"Calcite with Marcasite Inclusions","description":"Lovely cluster of sharp scalenohedral calcites with marcasite inclusions from Linwood Mine in Iowa. Featuring a glassy luster paired with frosty white etchings, which creates a varied look with beautiful contrast. ","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51783340884241,"sku":"min1982","price":36.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1982_1.jpg?v=1751934099"},{"product_id":"min1983calcite","title":"Calcite","description":"\u003cp\u003eA cluster of lustrous calcite crystals from the Linwood Mine in Buffalo, Iowa. This cabinet-sized specimen features sharp, well-formed rhombohedral crystals with glassy faces and a soft glow. The crystals are predominantly colorless to faintly milky, with excellent luster that highlights their geometric. Several are intergrown in parallel alignment, giving the piece a sculptural look. A clean and representative example of Iowa calcite from this classic Midwestern locality. \u003c\/p\u003e","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51783341474065,"sku":"min1983","price":50.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min1983_1.jpg?v=1751934178"},{"product_id":"min2002-calcite","title":"Calcite","description":"Beautiful calcite crystals with great luster and gemmy appearance from Linwood Mine in Scott Co., Iowa. This specimen features and array of blocky calcites with clear to translucent interiors. Overall a very attractive specimen from an iconic locality! ","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51845950963985,"sku":"min2002","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min2002_3.jpg?v=1753751725"},{"product_id":"min2003-calcite-marcasite","title":"Calcite \u0026 Marcasite","description":"A cluster of transparent to translucent calcite crystals with terminations perched on a white matrix, accented by brassy marcasite blades that form intricate metallic clusters. Sourced from the historic Linwood Mine in Iowa, this specimen showcases the striking contrast between the calcite’s bright vitreous luster and the marcasite’s golden sheen and would make an impressive addition to any collection. The matrix on the backside of this specimen does shed a small amount of material, but this does not affect the structure or stability of the specimen. ","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51846628147473,"sku":"min2003","price":180.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min2003_1.jpg?v=1753749450"},{"product_id":"min2021pyrite-calcite","title":"Pyrite \u0026 Calcite","description":"Stunning mineral pairing of classic pyrite and calcite from Linwood Mine in Scott County, Iowa. An excellent metallic luster alongside glassy calcites makes this and especially eye-catching piece! ","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51871853019409,"sku":"min2021","price":40.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min2021_3.jpg?v=1764660791"},{"product_id":"min2007calcite","title":"Calcite","description":"A large single calcite crystal from Linwood Mine, Iowa, featuring smooth, glassy rhombohedral faces that catch light with a bright adamantine luster. Sharp terminations emphasize the crystal’s classic geometry, while its high transparency reveals delicate internal zoning. A striking example of calcite’s structural elegance, ideal for any collector’s display.\n","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51877012341009,"sku":"min2007","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min2007_6.jpg?v=1759955159"},{"product_id":"min2008calcite","title":"Calcite","description":"A drusy coating of thousands of tiny calcite crystals blanketing the  matrix, each gemmy crystal catching light with a bright vitreous luster. The delicate little crystals form an undulating surface texture, revealing subtle cavities and ridges in the host rock. From Linwood Mine, this specimen exemplifies calcite’s capacity for intricate drusy growth and adds refined sparkle to any collection.","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":51877611110673,"sku":"min2008","price":35.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min2008_3.jpg?v=1759955159"},{"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":"min2016calcite-marcasite","title":"Calcite \u0026 Marcasite","description":"An absolutely stunning specimen of calcite with marcasite. The calcites are gemmy with a scalenohedral crystal form and the marcasite has a brassy red hue, creating lovely contrast in the specimen. Overall, a fantastic specimen with lovely crystal arrangement from a classic American locality; Linwood Mine. This specimen measures 46 mm at its greatest dimension. ","brand":"Adamantine Minerals","offers":[{"title":"Default Title","offer_id":52007180140817,"sku":"min2016","price":62.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/files\/min2016_1.jpg?v=1759955158"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/2277\/3009\/collections\/min1941-2_55a99628-c40d-4b53-9235-1d8bbdc54271.jpg?v=1750189754","url":"https:\/\/adamantineminerals.com\/collections\/calcite-2.oembed?page=3","provider":"Adamantine Minerals","version":"1.0","type":"link"}