White, Colorless, Blue, Red, Green, Yellow, Violet
Yellow, Red, White, White, Colorless, Blue, Red, Green, Yellow, pink, Black, Blue, Brown
Love, Courage
Courage, Love, Healing, Protection
ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)