Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.89-4.183.25-3.50
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal, Fibrous
Cleavage
{0001}, {11 2 0} imperfect
{001} perfect and {100} imperfect
Mohs Hardness
5.56-7
2
10
👆🏻
Chemical Composition
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references