White, Colorless, Blue, Red, Green, Yellow, Violet
Blue, Red, Yellow, Colorless, Blue, Colorless, Green, Yellow, White, Blue, Colorless, Green, Yellow, White
Not Available
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references