Formula: NaNO3
Origin of name: from composition
Crystal system: hexagonal
Crystal class: -3 2/m
Twinning:
Unit cell:
Colour: colourless, white or gray, yellowish or brownish from impurities
Diaphaneity: transparent
Luster: vitreous
Habit: crystals rhombohedral, massive, granular, crusts
Hardness: 1.5 to 2
Specific gravity: 2.27
Cleavage: 3; {10-11} perfect, {01-12} and {0001} imperfect
Tenacity:
Streak:
Synonyms/varieties:
Comments: easily soluble in water
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