Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.9-6.32.69-2.79
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Poor on {0001}
Mohs Hardness
4.5-55.5-6.5
2
10
👆🏻
Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references