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Jacobsite

#BAC60712
SOLD
Jacobsite from N'Chwaning mines, Kuruman, Northern Cape prov., South Africa - BAC60712
Jacobsite from N'Chwaning mines, Kuruman, Northern Cape prov., South Africa - BAC60712

Jacobsite

#BAC60712
Availability
Sold
Size
3 x 2 x 1 cm - Thumbnail 
Formula
Mn2+Fe3+2O4 (RRUFF)
Locality
N'Chwaning mines, Kuruman, Northern Cape prov., South Africa

Shiny black crystals to 5mm.

Jacobsite

Formula
Mn2+Fe3+2O4 
Crystal System
Isometric 
Crystal Habit
Disseminated, Massive - Granular 
Cleavage
None, None, None 
Luster
Sub Metallic 
Color
iron black, black 
Streak
reddish black 
Class
Isometric - Hexoctahedral 
Fracture
Conchoidal 
Hardness
5.5-6 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
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