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Magnesioferrite in Calcite

#27909
SOLD
Magnesioferrite from Commercial quarry, Crestmore, Riverside Co., California, United States - 27909
Magnesioferrite from Commercial quarry, Crestmore, Riverside Co., California, United States - 27909

Magnesioferrite in Calcite

#27909
Availability
Sold
Size
6 x 4 x 3.5 cm - Sm Cabinet 
Formula
MgFe3+2O4 (RRUFF)
Locality
Commercial quarry, Crestmore, Riverside Co., California, United States

Tiny black crystals, less than 1mm, in Calcite.

Magnesioferrite

Formula
MgFe3+2O4 
Crystal System
Isometric 
Crystal Habit
Crystalline - Fine, Massive - Granular 
Cleavage
None, None, None 
Luster
Metallic 
Color
brownish black, black 
Streak
dark red 
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
6-6.5 

Data courtesy of Webmineral.

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