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Pyrolusite

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SHS36828

Pyrolusite

Ex Dr Winfried Böhmer Collection (Wunstorf, Germany)

Description Tabs

Description
Locality: 
Elgersburg, Ilmenau, Thuringia, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.6 × 6.2 × 4.5 cm
Description

Pyrolusite crystals on porphyry matrix

Mineral Data
What's on the rock

Pyrolusite

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