Muscovite


Composition: KAl2AlSi3O10(OH)2
Crystal System : Monoclinic
Colours: Colourless, grey, green, yellow, brown, rose
Lustre : Vitreous, pearly
Hardness (H) : 2.5-3.0
Specific Gravity (S.G) : 2.77-2.88

Distribution

Common. A product of sericitisation of feldspars in the feldspathic sandstone ("pseudo-aplite") bodies.

Occurrence

  • Country Rock