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Alabandite

#RW50100
SOLD
Alabandite from Uchucchacua mine, Oyon prov., Lima dept., Peru - RW50100
Alabandite from Uchucchacua mine, Oyon prov., Lima dept., Peru - RW50100

Alabandite

#RW50100
Availability
Sold
Size
6 x 4 x 3 cm - Sm Cabinet 
Formula
Mn2+S (RRUFF)
Locality
Uchucchacua mine, Oyon prov., Lima dept., Peru
Tagged
ore mineral , sulfide

Alabandite is not the typical manganese ore. It usually does not occur in minable quantities. However, Alabandite may be in large quantities in epithermal polymetallic sulfide vein and also especially in low-temperature manganese deposits. 

This specimen contains partial dull black crystals to 1.4cm.

 

Alabandite

Formula
Mn2+S 
Crystal System
Isometric 
Crystal Habit
Massive - Granular, Disseminated, Granular 
Cleavage
Perfect, Perfect, Perfect 
Luster
Sub Metallic 
Color
black, lead gray, brownish gray 
Streak
dark green 
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
3.5-4 

Data courtesy of Webmineral.

Collection
Robert J. Waidler Collection
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