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:
Veszelyite on Hemimorphite
Veszelyite on Hemimorphite
Palabanda quarries, Mfouati, Bouenza Department, Republic of the Congo
Smithsonite
Smithsonite
Tsumeb, Namibia
Olmiite
Olmiite
N'Chwanning Mine, Kuruman, South Africa
Cuprian Smithsonite
Cuprian Smithsonite
Tsumeb, Namibia
Phosgenite
Phosgenite
Monteponi Mine, Iglesias, Sardinia, Italy
Sphalerite on Quartz
Sphalerite on Quartz
Shuikoushan Mine, Hunan, China
Browse the Updates:
Katlang Topaz
July 29, 2026
Mixed Minerals
July 14, 2026
Mixed Minerals
June 22, 2026
Mixed Minerals
June 3, 2026
Copper Crystals from the Rocklands Mine
May 29, 2026
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