Clinosafflorite

Formula:  (Co,Fe,Ni)As2

Origin of name:  From monoclinic and safflorite

 

Crystal system:  Monoclinic

Crystal class:  2/m

Twinning:

Unit cell: a = 5.040 Å, b = 5.862 Å, c = 3.139 Å, β = 90°13'

 

Colour:  Tin-white

Diaphaneity:  Opaque

Luster:  Metallic

Habit:  Massive

Hardness:  4.5 to 5

Specific gravity:  7.46

Cleavage:  None

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:  Dimorphous with safflorite; intergrowths with skutterudite and other sulphides, in hydrothermal Co-Ni ores

 

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