Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.053.87-4.14
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Conchoidal
Cleavage
[001] perfect
Poor on {120}, in traces on {001}
Mohs Hardness
3-3.55.5-6
2
10
👆🏻
Chemical Composition
Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references