Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.95-4.105.05
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
[001] perfect
Mohs Hardness
3.5-43-3.5
2
10
👆🏻
Chemical Composition
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references