Mica Flakes on Matrix. From Colorado. Great piece to start a collection or add to an existing one!
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Mineralogy - Wikiversity
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Muscovite crystal hi-res stock photography and images - Alamy
Raw Muscovite Mica Specimen, 1 - Geologist Selected Samples - Eisco L — Eisco Labs
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3.4lb MUSCOVITE MICA BOOKS in Matrix Raw Crystal Cluster Natural Mineral Collectible Specimen Meditation Stone From North Carolina
Rocks
Mica minerals hi-res stock photography and images - Alamy
lepidolite mica crystals on matrix OHIO CITY COLORADO 1965 weighs over 3 pounds
Mica mineral hi-res stock photography and images - Page 2 - Alamy
Pumpellyite Mn In Basalt 12 ct Michigan Display Mineral Specimen Crystal Geology
Molybdenite
Full article: Belvidere Mountain Asbestos Quarries, Lowell/Eden, Vermont
Full article: Forty-Fourth Rochester Mineralogical Symposium: Contributed Papers in Specimen Mineralogy—Part 2