Laubmannite Goethite Image

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.

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

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

Goethite, Laubmannite

Large Goethite Image

Mineral:

Goethite: Fe+++O(OH)
Laubmannite: Fe++3Fe+++6(PO4)4(OH)12

Comments:

Reddish brown goethite hosting radiating sprays of olive green laubmannite to 3 cm across.

Location:

Buckeye Mountain, Polk County, Arkansas, USA.

Scale:

10.5 x 7.5 cm.

Copyright:

© John Veevaert

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