Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.5-6.05.5
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{001} Distinct
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
6.55-5.5
2
10
👆🏻
Chemical Composition
ZrO 2Arthur Thomas , Gemstones (2009)
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references