1 Astrology
1.1 Origin
Southern and central Africa
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
1.3 Streak
Not Available
1.4 For which Rashi?
Not Available
1.5 Planet
Not Available
1.6 Element of Planets
Not Available
1.7 Energy
Not Available
1.8 How to Wear?
1.8.1 Finger
Not Available
1.8.2 Ring Metal
Not Available
1.9 Deities
Not Available
1.10 Not to wear with
Not Available
1.11 Powers
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
1.12.2 Talisman
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
2.2 Solubility
Not Available
2.3 Durability
Not Available
2.4 Specific Gravity
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
SiO 2Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Waxy
3.2 Pleochroism
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Translucent
3.5 Refractive Index
3.6 Optic Character
Not Available
3.7 Crystal System
Not Available
3.8 Birefringence
3.9 Clarity
Translucent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
4.1.2 Cardiovascular
Not Available
4.1.3 Respiratory
Not Available
4.1.4 Reproductive
Not Available
4.1.5 Digestive
Not Available
4.2 Psychology
Not Available
4.3 Healing
Not Available
4.4 Qualities Associated
Not Available