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

Wulfenite from Old Yuma Mine, Tucson Mts, Pima Co., Arizona, USA [T782]
Wulfenite
Old Yuma Mine, Tucson Mts, Pima Co., Arizona, USA
Prehnite on Tanzanite from Merelani Hills, Lelatema Mountains, Arusha Region, Tanzania [AF721]
Prehnite on Tanzanite
Merelani Hills, Lelatema Mountains, Arusha Region, Tanzania
Mangano Calcite with Fluorite from Dal'negorsk, Russia [C245]
Mangano Calcite with Fluorite
Dal'negorsk, Russia
Epidote from Brumado Mine, Bahia, Brazil [AR20]
Epidote
Brumado Mine, Bahia, Brazil
Acanthite from Guanajuato, Mexico [NA127]
Acanthite
Guanajuato, Mexico
Azurite with Malachite from Volborthite Pocket, Milpillas Mine, Cuitaca, Sonora, Mexico [B499]
Azurite with Malachite
Volborthite Pocket, Milpillas Mine, Cuitaca, Sonora, Mexico

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Copper Collection - Part 2



January 21, 2020
Mixed Minerals



January 14, 2020
Copper Collection - Part 1



January 9, 2020
Mixed Minerals



January 6, 2019
Mixed Minerals



January 2, 2020

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There are currently 8291 searchable specimens on the website.



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