Tenacity
-
-
Solubility
-
Soluble
Durability
-
-
Specific Gravity
4.80-5.503.06-3.25
1
7.18
👆🏻
Fracture
-
Sub-Conchoidal, Conchoidal, Uneven
Cleavage
Indistinct
Poor/indistinct on {100}
Mohs Hardness
5-5.54.5-5
2
10
👆🏻
Chemical Composition
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)