Tenacity
Sectile
-
Solubility
Soluble
-
Durability
-
-
Specific Gravity
6.135.5
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Distinct on {001} and {110}, indistinct on {100}
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
2-35-5.5
2
10
👆🏻
Chemical Composition
Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references