Mansfieldite

mansfieldite

realgar

scorodite

kaolinite

Images

Formula: Al(AsO4).2H2O
Arsenate, forms a series with scorodite
Specific gravity: 3.03
Hardness: 3½ to 4
Streak: White
Colour: White, light gray; colourless in transmitted light.
Environments:

Hydrothermal environments

At the type locality, Hobart Butte, Oregon, USA, mansfieldite is associated with scorodite, realgar and kaolinite.

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