Fine Mineral Specimens for Collectors
Mike Keim, P.O. Box 5256 Larkspur, California, 94977 (415) 453 - 0927
  Some of our Featured Specimens:   

Spessartine from Nani, Loliondo, Tanzania [T560]
Spessartine
Nani, Loliondo, Tanzania
Tourmaline from Barra de Salinas, Minas Gerais, Brazil [T452]
Tourmaline
Barra de Salinas, Minas Gerais, Brazil
Cinnabar on Dolomite from Yanwuping Mines, Guizhou, China [A196]
Cinnabar on Dolomite
Yanwuping Mines, Guizhou, China
Vauxite with Quartz, Cassiterite from Siglo XX Mine, Llallagua, Bolivia [SA701]
Vauxite with Quartz, Cassiterite
Siglo XX Mine, Llallagua, Bolivia
Chrome Tourmaline from Landanai, Tanzania [B241]
Chrome Tourmaline
Landanai, Tanzania
Pyrargyrite from Fresnillo, Zacatecas, Mexico [NA213]
Pyrargyrite
Fresnillo, Zacatecas, Mexico

Mineral Auctions!

Weekly Mineral Auctions running Fridays to Thursdays.

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Browse the Updates:

Tanzanian Gem Crystals



May 16, 2017
Tsumeb



May 10, 2015
Mixed Minerals



May 2, 2017
Mixed Minerals



April 7, 2017
Mixed Minerals



April 1, 2017

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Or... Search Our Database:

There are currently 6253 searchable specimens on the website.



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