Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.00-4.655.90-6.10
1
7.18
👆🏻
Fracture
Uneven, Sub-Conchoidal
Conchoidal
Cleavage
Perfect on [1011]
{110} Distinct, {001} Indistinct, {100} Indistinct
Mohs Hardness
5-5.52.5-3
2
10
👆🏻
Chemical Composition
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references