Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:WITTICHENITE
Formula:Cu3BiS3
Crystal System:Orthorhombic
Strunz Nr:2/E.03-20
References:MM 43 (1979), 109; HB1 (1990)
Type Locality:Grube Neuglück, Wittichen, Schwarzwald, Baden-Württemberg, Germany

Wittichenite
Wittichenite (bluish grey), chalcopyrite (yellow needles), covellite (blue) in bornite from Långban, Sweden. Size 0.3 mm. Reflected light, open nicols. The white mineral in the picture is native bismuth. Photo © Kjell Gatedal, School of Mines and Metallurgy, Filipstad, Sweden.
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