Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.05-5.224.80-5.50
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
None
Indistinct
Mohs Hardness
5.5-65-5.5
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)