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Pyrolusite

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SHS48334

Pyrolusite

ex. Collection Dr. Winfried Böhmer (Wunstorf/Germany)

Description Tabs

Description
Locality: 
Tiger, Mammoth District, Pinal County, Arizona, United States of America
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.7 × 4.6 × 3.4 cm
Description

Pyrolusite on matrix

Mineral Data
What's on the rock

Pyrolusite

Formula: 
MnO2
Strunz: 
4.DB.05
Hardness: 
2.0 - 6.5
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