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ATHENA

MINERALOGY

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Mineral:HAUSMANNITE
Formula:Mn2+Mn3+2O4
Crystal System:Quadratic (Tetragonal)
Strunz Nr:4/B.05-10
Group:Hausmannite group
References:L 7 (1990), 8; HB3 (1997)
Type Locality:Ilfeld, Harz, Germany

Hausmannite
Hausmannite showing twinnings. Reflected light, nearly crossed nicols, 0.3 mm.
Långban, Sweden.
Photo © Kjell Gatedal, School of Mines and Metallurgy, Filipstad, Sweden.
See also: athena.unige.ch -> mineral pictures

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