Mineral 1.0Test your knowledge of specific minerals

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  SilicateKaolinite
Al2Si2O5(OH)4

Most distinguishing features:
Distinctive "clayey" smell, hardness and colour are indicative.

Industrial/economical uses:
Paper coating/filler, drilling mud additive, ceramics, cosmetics, building supplies, cement, pharmaceuticals and even food.

  SilicateKyanite
Al2SiO5

Most distinguishing features:
Bladed habit, colour, and difference of hardness along and across cleavages