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Magnesioferrite with Litharge

#PD38721

Magnesioferrite with Litharge

#PD38721
Availability
Sold
Size
4.5 x 2.5 x 1.5 cm - Miniature 
Formula
MgFe3+2O4 (RRUFF)
Locality
Långban, Filipstad, Värmland, Sweden

Mostly black, shiny crystals (crude) to 6mm of Magnesioferrite with minor orange crusts of Litharge (unconfirmed).

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.

Collection
Phillips Collection

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