Microcline


Composition: KAlSi3O8
Crystal System : Triclinic
Colours: White, grey, pale-yellow, green
Lustre : Vitreous, pearly
Hardness (H) : 6.0-6.5
Specific Gravity (S.G) : 2.54-2.57

Distribution

Common. As a detrital mineral in the feldpathic sandstone ("pseudo-aplite") bodies, derrived from sediments of the Tschudi Formation.

Occurrence

  • Country Rock