Discovered in 1827 in Germany, this mineral was named in allusion to the manganese content, though it is a minor ore of manganese. It forms in low temperature hydrothermal or hot spring deposits and is found associated with other manganese oxides.
Discovered in 1827 in Germany, this mineral was named in allusion to the manganese content, though it is a minor ore of manganese. It forms in low temperature hydrothermal or hot spring deposits and is found associated with other manganese oxides.
Mineral Photos courtesy of R.Weller/Cochise College