Dzharkenite

Formula:   FeSe2

Origin of name:   After locality; Dzharkenskaya, Kazakhstan

 

Crystal system:   Cubic

Crystal class:   2/m -3

Twinning:

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Colour: 

Diaphaneity:  Opaque

Luster:   Metallic to adamantine

Habit:   Octahedral crystals 10-100 µm up to 500 µm

Hardness:

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