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, Tanzania [TZ518]
Tanzanite
Merelani Hills, Arusha, Tanzania
Silver from Kearsarge Mine, Houghton Co., Michigan [NA215]
Silver
Kearsarge Mine, Houghton Co., Michigan
Tourmaline from Barra de Salinas, Minas Gerais, Brazil [T337]
Tourmaline
Barra de Salinas, Minas Gerais, Brazil
Neptunite from Benitoite Gem Mine, San Benito Co., California [NA304]
Neptunite
Benitoite Gem Mine, San Benito Co., California
Gaudefroyite from N'Chwanning Mine, Kuruman, South Africa [AF558]
Gaudefroyite
N'Chwanning Mine, Kuruman, South Africa
Copper from Onganja Mine, Seeis, Namibia [B364]
Copper
Onganja Mine, Seeis, Namibia

Mineral Auctions!

Weekly Mineral Auctions running Fridays to Thursdays.

View the current Auctions

*Sale*40% Off* Sale*

Browse the Updates:

African Gem Crystals



December 6, 2017
Mixed Minerals



November 29, 2017
Mixed Minerals



November 26, 2017
New Quartz Scepters



November 13, 2017
Mixed Minerals



November 8, 2017

Click here for older updates...
Or... Search Our Database:

There are currently 6542 searchable specimens on the website.



Status
Available On hold Sold
now since... before...
 ago
Specimen No.  (all matching)
Name
Species
Locality
Description
Size
Price >= $  (USD)
Price <= $  (USD)
Ex-

      

-OR-

Go to specimen No.:




Join Our Mailing List

Email:





©2010-2017 Marin Mineral