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

Tanzanite from Merelani Hills, Arusha, Tanzania [T56]
Tanzanite
Merelani Hills, Arusha, Tanzania
Acanthite, Polybasite from Guanajuato, Mexico [NA230]
Acanthite, Polybasite
Guanajuato, Mexico
Neptunite from Benitoite Gem Mine, San Benito Co., California [NA305]
Neptunite
Benitoite Gem Mine, San Benito Co., California
Boleite from Amelia Mine, Santa Rosalia, Baja Sur, Mexico [NA283]
Boleite
Amelia Mine, Santa Rosalia, Baja Sur, Mexico
Cumengite on Selenite from Amelia Mine, Sant Rosalia, Baja, Mexico [T343]
Cumengite on Selenite
Amelia Mine, Sant Rosalia, Baja, Mexico
Smithsonite from Tsumeb, Namibia [T385]
Smithsonite
Tsumeb, Namibia

Mineral Auctions!

Weekly Mineral Auctions running Fridays to Thursdays.

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Browse the Updates:

Tanzanian Gem Crystals



May 23, 2017
Tanzanian Gem Crystals



May 16, 2017
Tsumeb



May 10, 2015
Mixed Minerals



May 2, 2017
Mixed Minerals



April 7, 2017

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There are currently 6268 searchable specimens on the website.



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