Formula: BaFe3(AsO4)2(OH)5
Origin of name: For D. Dussert, French mining engineer
Crystal system: Trigonal
Crystal class: 3m
Twinning:
Unit cell: a = 7.4244, c = 17.494
Colour: Green to yellowish green
Diaphaneity: Transparent to translucent
Luster: Vitreous-resinous
Habit: Crystals flattened, minute, in crusts or rosettes
Hardness: 3.5
Specific gravity: 3.75
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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