Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.254.80-5.50
1
7.18
👆🏻
Fracture
-
-
Cleavage
Imperfect in one direction
Indistinct
Mohs Hardness
5-5.55-5.5
2
10
👆🏻
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)