Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Uneven, Subconchoidal, Conchoidal
NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references