Formula: KHCO3
Origin of name: From composition, (kalium = potassium)
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 15.11, b = 5.67, c = 3.71, β = 103.8°
Colour: Colourless, white, yellowish
Diaphaneity: Transparent
Luster: Vitreous
Habit: Crystals short prismatic, elongated on c-axis, as massive aggregates of minute crystals
Hardness: 1- 2
Specific gravity: 2.168 (synthetic)
Cleavage: 3: {100}, {001}, {101}
Tenacity:
Streak: White
Synonyms/varieties:
Comments:
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