White, Reddish, Green, Brown
Yellow, Red, White, White, Colorless, Blue, Red, Green, Yellow, pink, Black, Blue, Brown
Not Available
Courage, Love, Healing, Protection
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)