Afghanistan, Southern and central Africa
Russia, Brazil, Madagascar, USA, Russia, Brazil, Yellow, Madagascar, Namibia, USA, Russia, Brazil, Yellow, Madagascar, Namibia, USA
Grey, White, Colorless, gray, Pale pink, Blue
Yellow
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Not Available
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Not Available