Tenacity
-
Brittle
Solubility
-
H₂SO₄
Durability
-
-
Specific Gravity
3.89-4.182.74-3.00
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
{0001}, {11 2 0} imperfect
Distinct on {0001} imperfect on {11 2 0}
Mohs Hardness
5.55-5.5
2
10
👆🏻
Chemical Composition
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.