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

Quartz on Tanzanite with Prehnite from Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania [AF758]
Quartz on Tanzanite with Prehnite
Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania
Tourmaline from Paprok, Afghanistan [T307]
Tourmaline
Paprok, Afghanistan
Anatase from Kharan Mountain, Balochistan, Pakistan [B134]
Anatase
Kharan Mountain, Balochistan, Pakistan
Siderite from Neudorf, Harz Mts, Saxony, Germany [B626]
Siderite
Neudorf, Harz Mts, Saxony, Germany
Tanzanite from Karo Pit, near Block D, Merelani Hills, Tanzania [AF840]
Tanzanite
Karo Pit, near Block D, Merelani Hills, Tanzania
Azurite from Milpillas Mine, Cuitaca, Sonora, Mexico [M169]
Azurite
Milpillas Mine, Cuitaca, Sonora, Mexico

Mineral Auctions!

Weekly Mineral Auctions running Fridays to Thursdays.

View the current Auctions

*Sale*40% Off* Sale*

Browse the Updates:

New Quartz Scepters



November 13, 2017
Mixed Minerals



November 8, 2017
Tanzanian Gem Crystals



November 4, 2017
Mixed Minerals



October 29, 2017
Mixed Minerals



October 25, 2017

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

There are currently 6531 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