Formula: Al2(AsO4)(OH)3 . 3H2O
Origin of name: From locality; Neubulach, Germany
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Colourless
Diaphaneity: Subtranslucent
Luster: Satiny
Habit: Radial aggregates of fine-grained needles
Hardness: 2
Specific gravity: 2.60
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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