Tenacity
-
Brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
3.93-4.736.86-7.03
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
Indiscernible
{100} imperfect, {110} indistinct; partings on {111} or {011}
Mohs Hardness
6.5-7.56-7
2
10
👆🏻
Chemical Composition
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references