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 Region, Tanzania [T29]
Tanzanite
Merelani Hills, Arusha Region, Tanzania
Neptunite from Gem Mine, San Benito Co., California [T421]
Neptunite
Gem Mine, San Benito Co., California
Dioptase on Calcite from Tsumeb, Namibia [C253]
Dioptase on Calcite
Tsumeb, Namibia
Malachite after Azurite on Smithsonite from Tsumeb, Namibia [TS220]
Malachite after Azurite on Smithsonite
Tsumeb, Namibia
Diamond from Argyle Mine, Western Australia, Australia [C234]
Diamond
Argyle Mine, Western Australia, Australia
Dioptase on Shattuckite after Cuprite from Tantara Mine, Katanga, Congo [C438]
Dioptase on Shattuckite after Cuprite
Tantara Mine, Katanga, Congo

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May 22, 2018
Mixed Minerals



May 16, 2018
Arizona Minerals from the Bruce Murphy Collection



May 6, 2018
Mixed Minerals



April 29, 2018
Mixed Minerals



April 22, 2018

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There are currently 6767 searchable specimens on the website.



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