Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.55-2.572.9
1
7.18
👆🏻
Fracture
Uneven
Fibrous
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
[010] Perfect, [100] Distinct, [011] Distinct
Mohs Hardness
6-6.52
2
10
👆🏻
Chemical Composition
KAlSi3O8
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite