UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven
White, Yellow, Pale blue, Brittle, Uneven
{110} Perfect, {110} Perfect, {110} Perfect
Perfect on {100} and {010}, imperfect on {101}
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available