Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.89-4.182.79-2.87
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
{0001}, {11 2 0} imperfect
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Mohs Hardness
5.55.5-6
2
10
👆🏻
Chemical Composition
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references