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Beudantite


Mineral: Beudantite, Duftite
Chemistry: PbFe3+3(As0.5S0.5O4)2(OH)6
Size: 30 mm; see scale bars on images
Owner: W.W. (Bill) Pinch
Photographer: RRUFF Project

Transparent, dark-brown, pseudo-rhombohedral crystals of beudantite, (to 2 mm), associated with a little green duftite, in vugs in a siliceous matrix.

Beudantite has been verified by single crystal XRD and by chemical analysis.

Images courtesy of RRUFF; http//rruff.info/R070189