Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.253.95-4.10
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
Imperfect in one direction
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
5-5.53.5-4
2
10
👆🏻
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references