Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.80-5.502.82
1
7.18
👆🏻
Fracture
-
-
Cleavage
Indistinct
Perfect in one direction, indistinct in one direction
Mohs Hardness
5-5.56
2
10
👆🏻
Chemical Composition
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
K2Na(Ca,Mn)2Ti[O|Si7O18(OH)]