Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.354.95-5.0
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect on {100}, imperfect on {001}
Imperfect to indistinct on {10 1 0}, parting on {0001}
Mohs Hardness
2.54-5
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references