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1 item @ $25.00   30:00

Magnetite

#59544

Magnetite

#59544
Availability
Sold
Size
9 x 5.5 x 6 cm - Sm Cabinet 
Formula
Fe2+Fe3+2O4 (RRUFF)
Locality
Cerro Huañaquino, Potosí, Bolivia

Terrible photos because these crystals are highly reflective. But these are excellent sharp, octahedral crystals to 1.3cm on edge. It is a good cabinet specimen, well-trimmed, sits well with no damage.

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.

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