Let us know how we can update this page, (Click for more details), Not Available, Southern and central Africa
Brazil, Madagascar, Russia, USA, Mexico, Pakistan, brown, Yellow, Orange, Brazil, Sri Lanka, Pakistan, Russia, brown, Yellow, Orange, Brazil, Sri Lanka, Pakistan, Russia
Red
Yellow, Blue, Green, Red, White, Colorless, Blue, Red, Green, Yellow, pink, Brown
Not Available
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle