Formula: KHMg2B12(OH)10 . 4H2O
Origin of name: From composition, (Kalium = potassium)
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Colourless, white, reddish brown
Diaphaneity: Transparent
Luster: Vitreous
Habit: Crystals minute, in aggregates; masses, fine-granular nodular
Hardness: 4 to 4.5
Specific gravity: 2.12
Cleavage: 3; {001} and {-101} perfect, {100} good
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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