Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.80-5.503.05-3.21
1
7.18
👆🏻
Fracture
-
Uneven, Subconchoidal, Splintery
Cleavage
Indistinct
Good on {110}, poor on {100}
Mohs Hardness
5-5.57.5
2
10
👆🏻
Chemical Composition
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references