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Magnetite with Pyrite (Iron Formation)

#DH36790
SOLD
Magnetite from Champion mine, Marquette Co., Michigan, United States - DH36790
Magnetite from Champion mine, Marquette Co., Michigan, United States - DH36790

Magnetite with Pyrite (Iron Formation)

#DH36790
Availability
Sold
Size
13 x 12 x 7 cm - Cabinet 
Formula
Fe2+Fe3+2O4 (RRUFF)
Locality
Champion mine, Marquette Co., Michigan, United States

A very interested and intriguing specimen of iron-formation showing brassy Pyrite bands amongst black Magnetite. An iron ore specimen. Heavy and will cost extra to ship.

Magnetite

Formula
Fe2+Fe3+2O4 
Crystal System
Isometric 
Crystal Habit
Massive, Massive - Granular, Crystalline - Fine 
Cleavage
None, None, None 
Luster
Metallic 
Color
grayish black, iron black 
Streak
black 
Class
Isometric - Hexoctahedral 
Fracture
Sub Conchoidal 
Hardness
5.5-6 

Data courtesy of Webmineral.

Collection
Hess Collection
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