PSILOMELANE - Devon
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Concretions lining fissures in slate
Brimley Mine, Brimley, Devon
Psilomelane is a hard, black manganese oxide mineral. It is often referred to, erroneously, as black hematite, which is an iron oxide.
Psilomelane is a hard, black manganese oxide mineral. It is often referred to, erroneously, as black hematite, which is an iron oxide.
This is a very unusual specimen. It is from an old collection, collected in 1998.
Click on a picture for a larger image
Size: approx. 12 x 7 x 4 centimetres
Weight: 515 grams
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