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Psilomelane — specimens [gallery view]


Obsolete group name for manganese oxides; mainly romanèchite in chalcedony.
Psilomelane — specimen 0724
0724
Mexico
Psilomelane — specimen 0725
0725
Mexico
Psilomelane — specimen 0323
0323
Mexico

Psilomelane — specimens — 3
Page 1


Gemmology — gemstones
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The specimens illustrated in this site do not exist in the collections of the National Museum of Natural History, Sofia.