Collector’s Showcase
A curated selection of our most exceptional mineral specimens— for serious collectors and display-worthy collections.
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Latest Arrivals
Shop our latest additions to our site! Updated weekly on Tuesdays at 12:00pm EDT.
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Natural Mineral Pairings
Explore the beauty of natural mineral associations—where contrasting forms, colors, and crystal habits grow together in a single piece.
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Budget Specimens Under $35!
Shop our selection of affordable mineral specimens, all priced under $35!
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The Herkimer DIamond Mine
Explore our gallery of specimens collected in the Herkimer Diamond Mine in Middleville, NY!
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Linwood Mine Collection
From glistening calcites to razor-sharp barites, it is easy to see why Linwood Mine is a beloved mid-west locality!
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Mineral Displays: A Setup Guide
Learn how to build a professional-looking mineral display using simple techniques—maximize visual impact, preserve your specimens, and tell a story with your collection. For collectors at any level!
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Herkimer Diamond Mine
View GalleryExplore our collection of top quality specimens from the 2024-25 mining seasons!
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Chrysocolla from Tentadora Mine in Peru
View GalleryBeautiful specimens with showcasing vibrant color!
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About Us
At Adamantine Minerals, we offer natural mineral specimens for collectors at all stages—from curious beginners to experienced enthusiasts. With a background in geology and a passion for the science behind each piece, we aim to make collecting both approachable and rewarding.