Formula: Na2CO3
Origin of name: from natrium = sodium
Crystal system: monoclinic
Crystal class: unknown
Twinning:
Unit cell:
Colour: white to colourless, rose to yellow-orange
Diaphaneity:
Luster: vitreous to dull
Habit:
Hardness: 3.5
Specific gravity: 2.54
Cleavage: 3; {001} perfect, {100} and {110} less perfect
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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