Formula: Na0.3CrS2.H2O
Origin of name: for Robert Schöllhorn, German chemist
Crystal system: hexagonal
Crystal class: 3m, -3 2/m or 32
Twinning:
Unit cell:
Colour: gray
Diaphaneity:
Luster: submetallic
Habit: grains to 250 micron, thin bands
Hardness: 1.5 to 2
Specific gravity: 2.70
Cleavage:
Tenacity:
Streak:
Synonyms/varieties:
Comments: from a meteorite
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