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Magnetite Var Ishkulite

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ZSO816930

Magnetite Var Ishkulite

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 2.1 × 1.6 cm
Description

Egg-shaped silicate matrix containing magnetite (var. ishkulite) crystals below 1 mm. Polished and analyzed specimen.

Mineral Data
What's on the rock

Magnetite

Formula: 
Fe2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Streak: 
Black

Ishkulite

Variety Of: 

Magnetite

Formula: 
Fe2+Fe3+2O4
Strunz: 
4.BB.05
Hardness: 
5.5 - 6.5
Formula: 
Fe2+(Fe3+,Cr3+)2O4
Hardness: 
0.0

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