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:
Tanzanite
Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania
Tourmaline
Aricanga Mine, Sao Jose da Safira, Minas Gerais, Brazil
Anatase on Albite
Kharan, Balochistan, Pakistan
Copper (cubic!)
Ojibway Mine, Keweenaw Co., Michigan, USA
Emerald
Nasarawa Egon, Nasarawa, Nigeria
Pyromorphite
Friedrichssegen Mine, Bad Ems, Rhineland-Palatinate, Germany
Browse the Updates:
Mixed Minerals
October 28, 2026
Mixed Minerals
October 7, 2026
Thumbnails
October 3, 2026
Thumbnails
October 1, 2026
Mixed Minerals
September 27, 2026
Click here for older updates...
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