Stalactitic Black Psilomelane Formations
Collection
John Betts - Fine Minerals
Description
Hard crystallized black plate of Psilomelane with short stalactitic black Psilomelane formations to 9 mm standing upright off the top surface. The psilomelane are composed of various manganese-oxides and are sometimes labeled as Hollandite or Coronadite. Associated with minor Vanadinite.
Locality
Taouz, Er Rachidia, Meknes-Tafilalet, Morocco
Dimensions
10 x 6 x 2.5 cm.
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