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
{010} perfect, {110} distinct, {100} in traces
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references