  Bixbyite.
Description from the source:
Bixbyite ((Mn+3 Fe+3)2 O3 cub.), Thomas Range, Utah, USA. Perfect crystal. 0,9x0,8x0,8 cm; 9 g with box.
Source: Simone Citon
Contributor: John Gray
Acquired: 10 January, 2009
Text Updated: 10 January, 2009
Price: Trade
Size: 0.35"
Composition: (Mn,Fe)2O3
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