Talc
Talc. The matt white lustrous mineral talc (magnesium silicate hydroxide) with the chemical composition [Mg 3(OH)2(Si2O5)2] is one of the phyllosilicates and has a Mohs hardness of 1. Talc has many varied applications and is used, for example, as a finely-ground filler in the paper and pulp industry, the paint and dye industry as well as the ...
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