Tenacity
Brittle
Brittle
Solubility
-
Dilute acid
Durability
-
-
Specific Gravity
4.00-4.652.93-2.96
1
7.18
👆🏻
Fracture
Uneven, Sub-Conchoidal
Subconchoidal, Conchoidal
Cleavage
Perfect on [1011]
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
5-5.53.5-4
2
10
👆🏻
Chemical Composition
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references