Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.43-3.445.9-6.3
1
7.18
👆🏻
Fracture
-
Conchoidal, Uneven
Cleavage
None Observed
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
6.5-74.5-5
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references