Chesterite Magnetite Image

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.

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Hudson Institute of Mineralogy

Chesterite, Magnetite

Large Chesterite Image

Mineral:

Chesterite: (Mg,Fe++)17Si20O54(OH)6
Magnetite: Fe++Fe+++2O4

Comments:

Green platy chesterite in black, metallic magnetite.

Location:

Near Missoula, Missoula County, Montana, USA.

Scale:

See Photo.

Copyright:

© Jeff Weissman / Photographic Guide to Mineral Species

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