Manganochromite

Formula:  (Mn,Fe)(Cr,V)2O4

Origin of name:  From manganese and chromite

 

Crystal system:  Cubic

Crystal class:  4/m -3 2/m

Twinning: 

Unit cell: 

 

Colour:  Brownish gray in reflected light

Diaphaneity: 

Luster: 

Habit:  Grains to 800 microns

Hardness:  ~ .5.

Specific gravity:  4.86 to 4.90

Cleavage: 

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments:  Series with vuorelainenite

 

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