  Manganite.
Description from the source:
Manganite (Mn+3 O (OH) mon.), Ilfeld, Harz, Germany. Isolated, terminated black crystals. 1,3x0,6x0,5 cm the bigger; 3 g all.
Source: Simone Citon
Contributor: John Gray
Acquired: 28 January, 2009
Text Updated: 29 January, 2009
Price: Trade
Size: 0.5"
Composition: MnO(OH)
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