Formula: Si
Origin of name: from latin silex = flint
Crystal system: cubic
Crystal class: 4/m -3 2/m
Twinning:
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Diaphaneity:
Luster:
Habit: cube and octahedral crystals smaller than 5 micron from Cuba, dodecahedral and cubic-octahedral crystals 10 to 80 micron from Russia, 6-sided crystals nearly 0.1 mm
Hardness:
Specific gravity:
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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