Kaolinite Al2Si2O5(OH)4
Kaolinite Al2Si2O5(OH)4 °c 2001 Mineral Data Publishing, version 1.2 Crystal Data: Triclinic. Point Group: 1: Rarely as crystals, thin platy or stacked, to 2 mm. More commonly as microscopic pseudohexagonal plates and clusters of plates, aggregated into
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