Marin Mineral
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Fine Mineral Specimens for Collectors
Mike Keim, P.O. Box 5256 Larkspur, California, 94977   (415) 342 - 1852
Some of our Featured Specimens:
Rhodochrosite
Rhodochrosite
N'Chwanning Mine, Kuruman, South Africa
Cobaltian Smithsonite
Cobaltian Smithsonite
Tsumeb, Namibia
Anatase on Albite
Anatase on Albite
Kharan, Balochistan, Pakistan
Fluorite
Fluorite
Minggang Mine, Shihe District, Xinyang, Henan, China
Mimetite after Cerussite
Mimetite after Cerussite
Tsumeb, Namibia
Aquamarine on Muscovite
Aquamarine on Muscovite
Chumar Bakhoor, Nagar District, Gilgit-Baltistan, Pakistan
Browse the Updates:
Mixed Minerals
July 14, 2026
Mixed Minerals
June 22, 2026
Mixed Minerals
June 3, 2026
Copper Crystals from the Rocklands Mine
May 29, 2026
60% Off Sale!
May 20, 2026
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