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

Montebrasite with Albite from Telirio Mine, Linopolis, Minas Gerais, Brazil [ST648]
Montebrasite with Albite
Telirio Mine, Linopolis, Minas Gerais, Brazil
Tanzanite with Diopside from Merelani Hills, Arusha, Tanzania [M626]
Tanzanite with Diopside
Merelani Hills, Arusha, Tanzania
Fluorite with Muscovite from Erongo Mtns., Namibia [LP930]
Fluorite with Muscovite
Erongo Mtns., Namibia
Tourmaline from Nuristan, Afghanistan [SV126]
Tourmaline
Nuristan, Afghanistan
Smithsonite from Broken Hill Mine, Kabwe, Zambia [AB108]
Smithsonite
Broken Hill Mine, Kabwe, Zambia
Chlorargyrite crystals from Broken Hill, New South Wales, Australia [MK147]
Chlorargyrite crystals
Broken Hill, New South Wales, Australia

Mineral Auctions!  

Weekly Mineral Auctions running Fridays to Thursdays

View the current Auctions

 

Browse the Updates:

Mixed Minerals



January 6, 2026
Mixed Minerals



December 20, 2025
50% Off Mineral Sale



December 18, 2025
Mixed Minerals



December 12, 2025
Mixed Minerals



November 19, 2025

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

There are currently 12217 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:





©2010-2018 Marin Mineral