Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.80-5.502.55-2.63
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
Indistinct
{001} Perfect, {010} Good
Mohs Hardness
5-5.56-6.5
2
10
👆🏻
Chemical Composition
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
KAlSi 3O 8Arthur Thomas , Gemstones (2009)