Yellow, Red, Reddish, Brown, Colorless, White, Yellow, Red, Reddish, Brown, Colorless, White, gray, White, gray, Reddish, White, gray, Reddish, White, gray, Reddish
Violet, Brown, Violet, Brown
Not Available
Sagittarius, Scorpio, Sagittarius, Scorpio, Sagittarius, Scorpio
KAl3(SO4)2(OH)6
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references