Brazil, Madagascar, Russia, USA, Mexico, Pakistan, brown, Yellow, Orange, Brazil, Sri Lanka, Pakistan, Russia, brown, Yellow, Orange, Brazil, Sri Lanka, Pakistan, Russia
Not Available, Southern and central Africa
Yellow, Blue, Green, Red, White, Colorless, Blue, Red, Green, Yellow, pink, Brown
Brown, Black
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Not Available