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Comments: Stellate crystalline aggregates of acicular goethite crystals.
Location: Pribram, Bohemia, Czech Republic.
Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
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.
© John Veevaert