Formula: Si2N2O
Origin of name: combination of symbols for elements in formula
Crystal system: orthorhombic
Crystal class: mm2
Twinning:
Unit cell:
Colour: light gray in polished section
Diaphaneity:
Luster:
Habit: crystals lath-like, to 0.2 mm, irregular grains
Hardness:
Specific gravity: 2.84
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments: from a meteorite
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