Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.053.05-3.21
1
7.18
👆🏻
Fracture
Uneven
Uneven, Subconchoidal, Splintery
Cleavage
[001] perfect
Good on {110}, poor on {100}
Mohs Hardness
3-3.57.5
2
10
👆🏻
Chemical Composition
Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references