Formula: Pb2 (Fe, Zn)4 (AsO4)4 (OH)3 . H2O
Origin of name: For Sir Maurice Mawby, Australian mineral collector
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Orange brown to reddish brown
Diaphaneity: Transparent to translucent
Luster: Adamantine
Habit: Dogtooth to prismatic crystals or tabular, to 0.2 mm long
Hardness: 4
Specific gravity:
Cleavage: 1; {001} prominent
Tenacity:
Streak: Orange-yellow
Synonyms/varieties:
Comments: Fe analogue of tsumcorite
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