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Manganite.
Description from the source:
Manganite (Mn+3O(OH) mon.), Ilfeld, Harz, Germany. Very good crystals in matrix. 4x3,5x2,5 cm; 15 g.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
26 September, 2008
Text Updated:
28 September, 2008
Price:
Trade
Size:
1.6"
Composition:
Mn
.
3
O
(
O
H
)