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