Tenacity
-
Brittle
Solubility
-
Dilute acid
Durability
-
-
Specific Gravity
5.5-6.02.93-2.96
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
{001} Distinct
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
6.53.5-4
2
10
👆🏻
Chemical Composition
ZrO 2Arthur Thomas , Gemstones (2009)
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references