Tenacity
-
-
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.95-4.102.55-2.70
1
7.18
👆🏻
Fracture
Uneven
Uneven, Splintery, Conchoidal
Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
Absent
Mohs Hardness
3.5-46.5-7
2
10
👆🏻
Chemical Composition
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO2