Formula: Sb6O8(SO4) . H2O
Origin of name: For H. Coquand
Crystal system: Triclinic
Crystal class: -1
Twinning:
Unit cell:
Colour: Colourless
Diaphaneity: Transparent to translucent
Luster: Adamantine
Habit: White powdery masses and thin crusts with stibnite, silky fibers in feathery aggregates, flexible lamellar crystals, <0.1 mm
Hardness:
Specific gravity: 5.78
Cleavage: None
Tenacity:
Streak: White
Synonyms/varieties:
Comments:
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