Pyrolusite Black Lustrous acicular silvery crystalline rim with black druzy metallic mineral. Thumbnail mineral in perky box
Dimensions (millimeters): 30 x 25 x 25
Dimensions (inches): 1.2 x 1 x 1
Origin: Imini Mine, Morocco from the Sahara Desert, Africa
Pyrolusite is a mineral is manganese dioxide and is important as an ore of manganese. Dendrites in Rhyolite and other minerals are usually branching pyrolusite. Pyrolusite can be sooty but is non-toxic so no worries.
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