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

Brochantite from Milpillas Mine, Cuitaca, Sonora, Mexico [M160]
Brochantite
Milpillas Mine, Cuitaca, Sonora, Mexico
Pyrargyrite from Fresnillo, Zacatecas, Mexico [NA213]
Pyrargyrite
Fresnillo, Zacatecas, Mexico
Kunzite from Kunar, Afghanistan [B875]
Kunzite
Kunar, Afghanistan
Chrome Tourmaline from Nadonjukin, Simanjiro, Tanzania [T107]
Chrome Tourmaline
Nadonjukin, Simanjiro, Tanzania
Manganoan Adamite from Mina Ojuela, Mapimi, Durango, Mexico [NA628]
Manganoan Adamite
Mina Ojuela, Mapimi, Durango, Mexico
Prehnite from Merelani Hills, Arusha, Tanzania [D152]
Prehnite
Merelani Hills, Arusha, Tanzania

Mineral Auctions!

Weekly Mineral Auctions running Fridays to Thursdays.

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Browse the Updates:

Mixed Minerals



January 14, 2020
Copper Collection - Part 1



January 9, 2020
Mixed Minerals



January 6, 2019
Mixed Minerals



January 2, 2020
Pyrite Collection



January 1, 2020

Click here for older updates...
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There are currently 8268 searchable specimens on the website.



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