Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
1.98-2.254.80-5.50
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
None
Indistinct
Mohs Hardness
5-6.55-5.5
2
10
👆🏻
Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)