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Pyrrhotite

#55904
SOLD
Pyrrhotite from Homestake mine, Lawrence Co., South Dakota, United States - 55904
Pyrrhotite from Homestake mine, Lawrence Co., South Dakota, United States - 55904

Pyrrhotite

#55904
Availability
Sold
Size
12 x 10 x 4 cm - Cabinet 
Formula
Fe7S8 (RRUFF)
Locality
Homestake mine, Lawrence Co., South Dakota, United States
Tagged
sulfide

Large mass with Pyrrhotite mineralization.

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.

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