Physical Properties
Tenacity
-
-
Solubility
-
insoluble in common solvents
Durability
-
-
Specific Gravity
2.58-2.642.65
1
7.18
👆🏻
Fracture
Uneven, Splintery, Conchoidal
Conchoidal, ConchoidalWalter Schumann
Cleavage
Absent
Indiscernible
Mohs Hardness
6.5-77
2
10
👆🏻
Chemical Composition
SiO2
SiO2