Colorless, Yellow, Brownish, Red, Violet, Blue, gray
Yellow, Red, White, White, Colorless, Blue, Red, Green, Yellow, pink, Black, Blue, Brown
Not Available
Courage, Love, Healing, Protection
Splintery, Conchoidal, Brittle
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)