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Pyrrhotite with Sphalerite

#PD37227

Pyrrhotite with Sphalerite

#PD37227
Availability
Sold
Size
7.5 x 4.5 x 4 cm - Sm Cabinet 
Formula
Fe7S8 (RRUFF)
Locality
Herja mine, Baia Mare, Maramures Co., Romania
Tagged
sulfide

Another Pyrrhotite from this classic mineral locality. This specimen is a base of lustrous black Sphalerite crystals to 4mm and a large group of stacked Pyrrhotite crystals with a diameter of 3.5cm. Nice, clean specimen.

Pyrrhotite

Formula
Fe7S8 
Crystal System
Monoclinic 
Crystal Habit
Tabular, Platy, Massive - Granular 
Cleavage
Imperfect, Imperfect, None 
Luster
Metallic 
Color
bronze, bronze red, dark brown 
Streak
gray black 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
3.5-4 

Data courtesy of Webmineral.

Collection
Phillips Collection

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