Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.54-2.614.80-5.50
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
{001} Perfect, {010} Good
Indistinct
Mohs Hardness
65-5.5
2
10
👆🏻
Chemical Composition
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)