Suessite

Formula: (Fe,Ni)3Si

Origin of name: for Hans Suess, American chemist

 

Crystal system: cubic

Crystal class: 4/m -3 2/m

Twinning: 

Unit cell: 

 

Colour: cream white in reflected light

Diaphaneity: 

Luster: 

Habit: blebs to elongated grains, 1 to 150 micron

Hardness

Specific gravity

Cleavage: none

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: from a meteorite

 

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