Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.05-3.214.80-5.50
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Splintery
-
Cleavage
Good on {110}, poor on {100}
Indistinct
Mohs Hardness
7.55-5.5
2
10
👆🏻
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)