Origin
India, Brazil, China, Australia
Southern and central Africa
Color
Green, Red, Yellow
White, Colorless, Blue, Red, Green, Yellow, Violet
Element of Planets
Air, Earth
-
Specific Gravity
2.61
2.58-2.63
Mohs Hardness
6.5-7
6.5-7
Chemical Composition
SiO2
SiO 2Ulrich Henn and Claudio C.
Transparency
-
Translucent
Refractive Index
1.53-1.54
1.535-1.539
Crystal System
Trigonal
-
Birefringence
0.004
0.008-0.010
Neurological
Enhances mental clarity and focus
-
Psychology
Courage
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
Energy
Protection