Grimaldiite Image

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

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Hudson Institute of Mineralogy

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.

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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