Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.845.9-6.3
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
none, may show indistinct parting
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
7-7.54.5-5
2
10
👆🏻
Chemical Composition
(Mg,Fe)3Al2Si3O12
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references