Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.80-5.503.19-3.56
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal
Cleavage
Indistinct
{110} Perfect, {010} Indistinct
Mohs Hardness
5-5.55.5-6
2
10
👆🏻
Chemical Composition
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)