Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.80-5.503.05-3.08
1
7.18
👆🏻
Fracture
-
Subconchoidal, Uneven, Conchoidal
Cleavage
Indistinct
Poor on {100}
Mohs Hardness
5-5.55
2
10
👆🏻
Chemical Composition
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)