Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
{110} Perfect, {010} Perfect
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Prismatic {10 1 0}, perfect
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references