Formula: YW2O6(OH)3
Origin of name: from yttrium and tungsten
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 6.95, b = 8.64, c = 5.77, β = 104.93°
Colour: Yellowish, canary yellow, light yellow
Diaphaneity:
Luster: Earthy
Habit: crystals lath-like, minute, irregular masses, earthy, encrustations
Hardness: 1
Specific gravity: 5.96
Cleavage: 2; transverse good, one longitudinal fair
Tenacity:
Streak: Yellow white
Synonyms/varieties:
Comments:
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