Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.05-5.222.72
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
None
{110} Perfect, {010} Perfect
Mohs Hardness
5.5-65-6
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)