Pyrophillite

Geoscience Australia
Symonston, Australia

Formula: Al2Si4O10(OH)2
Hardness: 2.8-2.9
Description: An aluminum silicate mineral with a monoclinic crystal system and a pearly to dull lustre. Often forms dense masses of radiating crystals in the shape of interconnected fans.
Specimen number: U058

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Details

Title: Pyrophillite
Type: Mineral
Rights: Geoscience Australia / CC-BY 4.0
Photographer: Chris Fitzgerald

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Chemistry Crystal Geology Metal