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

picture of AF901
Tanzanite on Diopside
Merelani Hills, Arusha Region, Tanzania		 picture of NA276
Lazulite
Rapid Creek, Yukon, Canada		 picture of AF576
Rhodochrosite
N'Chwanning Mine, Kuruman, South Africa		 picture of AF167
Tanzanite
Merelani Hills, Tanzania		 picture of A196
Cinnabar on Dolomite
Yanwuping Mines, Guizhou, China		 picture of NA215
Silver
Kearsarge Mine, Houghton Co., Michigan

Browse the Updates:

Brandberg Quartz

Fine quality Quartz with amethyst, smokey, and Lepidocrocite inclusions, many with attached Analcime and Prehnite.

January 21, 2012
Mixed Minerals



January 11, 2012
Mixed Minerals



January 6, 2012
Rough and Cut Pairs

Pairings of natural crystals with gemstones

December 21, 2011
Mixed Minerals



December 12, 2011


Click here for older updates...
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There are currently 2266 searchable specimens on the website.


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Deer Trail Mine, Marysvale, Utah; small cabinet - 6.8 x 5 x 3 cm

Minerva Mine, Cave-in-Rock Dist., Illinois; large cabinet - 17 x 9 x 6 cm

Elmwood Mine, Carthage, Tennessee; small cabinet - 6.5 x 4.5 x 2.8 cm

Elmwood Mine, Carthage, Tennessee; small cabinet - 6.5 x 4.5 x 2.8 cm

Bill Caspers Fluorite Collection

North America >England >All localities

Specimens Now posted

Approximately 100 specimens from the Bill Caspers Fluorite collection are now available and will be posted in the coming weeks. The collection contains both showy display specimens and unusual locality specimens with an emphasis on specimens from England, Italy, Spain, China, and the USA.

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