Formula: (Fe,Ni)Cl2
Origin of name: For J. Lawrence Smith, American chemist
Crystal system: Hexagonal
Crystal class: -3 2/m
Twinning:
Unit cell:
Colour: Green to brown
Diaphaneity:
Luster:
Habit: Massive
Hardness: 1
Specific gravity: 1; {0001} perfect (inferred from crystal structure)
Cleavage:
Tenacity:
Streak:
Synonyms/varieties:
Comments: From meteorites
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