Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.27-2.333.95-4.10
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
Perfect
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
5.5-63.5-4
2
10
👆🏻
Chemical Composition
Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references