India, Canada, Brazil
Canada, USA, Tanzania, Norway
Colorless, Reddish, White, pink, Green, Yellow, Violet, White, pink, Green, Yellow, Violet, White, Colorless, Blue, Green, Brown, Yellow, pink, Violet, White, pink, Green, Yellow, Violet
Red, Yellow, Brown, Yellow, Red, pink, Green
Uneven, UnevenArthur Thomas, Gemstones (2009)
Gemstones of the world (2001)
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8