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

Benitoite, Neptunite, Joaquinite from Benitoite Gem Mine, San Benito Co., California [US153]
Benitoite, Neptunite, Joaquinite
Benitoite Gem Mine, San Benito Co., California
Gold from Colorado Quartz Mine, Jamestown, California [B468]
Gold
Colorado Quartz Mine, Jamestown, California
Azurite from Milpillas Mine, Cuitaca, Sonora, Mexico [B565]
Azurite
Milpillas Mine, Cuitaca, Sonora, Mexico
Tanzanite from Merelani Hills, Tanzania [AF264]
Tanzanite
Merelani Hills, Tanzania
Proustite from Dolores Mine, Chanarcillo, Chile [SA583]
Proustite
Dolores Mine, Chanarcillo, Chile
Malachite after Azurite from Milpillas Mine, Cuitaca, Sonora, Mexico [M132]
Malachite after Azurite
Milpillas Mine, Cuitaca, Sonora, Mexico

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Mixed Minerals



October 15, 2017
Minerals of the USA



October 13, 2017
Mixed Minerals



October 4, 2017
Mixed Thumbnails and Miniatures from the Irv Brown Collection



September 27, 2017
Mixed Minerals



September 13, 2017

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There are currently 6473 searchable specimens on the website.



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