Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.9-6.32.79-2.87
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Mohs Hardness
4.5-55.5-6
2
10
👆🏻
Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references