Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.95-4.102.79
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
{100} and {010} perfect
Mohs Hardness
3.5-46
2
10
👆🏻
Chemical Composition
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
LiNa(Zr,Ti,Hf)Si 6O 15Ulrich Henn and Claudio C.