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Pyrrhotite on Quartz & Galena

#AH53585

Pyrrhotite on Quartz & Galena

#AH53585
Availability
Sold
Size
6.5 x 6 x 5 cm - Sm Cabinet 
Formula
Fe7S8 (RRUFF)
Locality
Santa Eulalia, Chihuahua, Mexico
Tagged
sulfide

There are a handful of good Pyrrhotite localities having exceptional crystals. This locality is one of them. The crystals are well-defined and large at 1cm wide to 9mm thick. 

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
Arnold G Hampson Collection

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