White, Colorless, Blue, Red, Green, Yellow, Violet
Colorless, White, Red, gray, pink
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Brittle
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Not Available