Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
4.80-5.503.98-4.04
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Indistinct
Imperfect, poor one {100}
Mohs Hardness
5-5.54.5-5
2
10
👆🏻
Chemical Composition
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references