Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.053.95-4.10
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
[001] perfect
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
3-3.53.5-4
2
10
👆🏻
Chemical Composition
Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references