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Pyrolusite

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CHP870336

Pyrolusite

Classic Locality

Description Tabs

Description
Locality: 
Comerio, Varese Province, Lombardy, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.8 × 1.5 cm
Description

specimen with some nice gray metallallic crystals of pyrolusite on matrix.

c. 2771

Mineral Data
What's on the rock

Pyrolusite

Formula: 
MnO2
Strunz: 
4.DB.05
Hardness: 
2.0 - 6.5
Not Sold

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