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Pyrolusite

#BW59477
SOLD
Pyrolusite from Cabell Mine, Nelson Co., Virginia, United States - BW59477
Pyrolusite from Cabell Mine, Nelson Co., Virginia, United States - BW59477

Pyrolusite

#BW59477
Availability
Sold
Size
6.5 x 3.5 x 3.5 cm - Sm Cabinet 
Formula
MnO2 (RRUFF)
Locality
Cabell Mine, Nelson Co., Virginia, United States

Silvery-black crystals throughout matrix.

Pyrolusite

Formula
MnO2 
Crystal System
Tetragonal 
Crystal Habit
Reniform, Dendritic, Earthy 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
steel gray, iron gray, bluish gray 
Streak
black 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Brittle 
Hardness
6-6.5 

Data courtesy of Webmineral.

Collection
Bill Wilson Collection
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