Grimaldiite Image

Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.

John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.

Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

Hudson Institute of Mineralogy

Grimaldiite

Large Grimaldiite Image

Mineral:

Grimaldiite: Cr+++O(OH)

Comments:

Grimaldiite, variety merumite, stream rounded crystalline grains.

Location:

Merume River, Mazaruni-Potaro District, Guyana.

Scale:

See Photo.

Copyright:

© Jeff Weissman / Photographic Guide to Mineral Species

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