Tenacity
-
Brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
5.056.86-7.03
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
[001] perfect
{100} imperfect, {110} indistinct; partings on {111} or {011}
Mohs Hardness
3-3.56-7
2
10
👆🏻
Chemical Composition
Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references