Fine Mineral Specimens for Collectors
Mike Keim, P.O. Box 5256 Larkspur, California, 94977 (415) 342 - 1852
  Some of our Featured Specimens:   

Olmiite from N'Chwanning Mine, Kuruman, South Africa [AF963]
Olmiite
N'Chwanning Mine, Kuruman, South Africa
Tourmaline from Pederneira Mine, São José da Safira, Doce valley, Minas Gerais, Brazil [T179]
Tourmaline
Pederneira Mine, São José da Safira, Doce valley, Minas Gerais, Brazil
Legrandite from Mina Oujela, Mapimi, Durango, Mexico [C205]
Legrandite
Mina Oujela, Mapimi, Durango, Mexico
Diamond from Congo [C235]
Diamond
Congo
Covellite from Summitville, Colorado, USA [MM124]
Covellite
Summitville, Colorado, USA
Spessartine with Quartz, Fluorite, Muscovite from Tongbei, Fujian Province, China [D164]
Spessartine with Quartz, Fluorite, Muscovite
Tongbei, Fujian Province, China

Mineral Auctions!

Weekly Mineral Auctions running Fridays to Thursdays.

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Tanzanian Minerals



November 15, 2019
50% Off Sale



November 5, 2019
Thumbnails



October 30, 2019
Mixed Minerals



October 25, 2019
Mixed Minerals



October 17, 2019

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There are currently 8061 searchable specimens on the website.



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