Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.80-5.504.392
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Indistinct
{010} moderate, {100} imperfect
Mohs Hardness
5-5.56.5-7
2
10
👆🏻
Chemical Composition
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)