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Pyrolusite

#PD31979
SOLD
PYROLUSITE from La Union, Murcia, Cartagena, Spain - PD31979
PYROLUSITE from La Union, Murcia, Cartagena, Spain - PD31979

Pyrolusite

#PD31979
Availability
Sold
Size
5 x 5 x 4 cm - Miniature 
Formula
MnO2 (RRUFF)
Locality
La Union, Murcia, Cartagena, Spain

Silvery-gray tabular Pyrolusite crystals to 1.5mm covering a black massive-botryoidal Pyrolusite 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
Phillips Collection
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