Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.80-5.503.65-4.55
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Indistinct
None, but may exhibit slight parting
Mohs Hardness
5-5.57.5-8
2
10
👆🏻
Chemical Composition
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)