Formula: KNO3
Origin of name: from Latin, Greek and Hebrew terms
Crystal system: orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: colourless, white
Diaphaneity: transparent
Luster: vitreous
Habit: thin crusts or small tufts, massive, earthy or granular
Hardness: 2
Specific gravity: 2.11
Cleavage: 3; {011} nearly perfect, {010} good, {110} imperfect
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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