Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.23-3.263.43-3.44
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Perfect on {010} imperfect on {100}
None Observed
Mohs Hardness
6.5-76.5-7
2
10
👆🏻
Chemical Composition
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references