Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.92.55-2.57
1
7.18
👆🏻
Fracture
Fibrous
Uneven
Cleavage
[010] Perfect, [100] Distinct, [011] Distinct
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Mohs Hardness
26-6.5
2
10
👆🏻
Chemical Composition
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
KAlSi3O8