1 Astrology
1.1 Origin
Australia, Canada
Not Available, Southern and central Africa
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Brown
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Not Available
Aries, Capricorn, Aries, Capricorn, Aries, Capricorn
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
Not Available
Black Madonna, Isis, Horus
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
1.98-2.50Not Available
1
7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Conchoidal
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
1.11 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Not Available
2 Optical Properties
2.1 Luster
Not Available
Not Available
2.2 Pleochroism
AbsentWalter Schumann
Not Available
2.3 Dispersion
2.5 Transparency
Translucent
Not Available
2.6 Refractive Index
1.37-1.52Not Available
1
3.25
2.7 Optic Character
Not Available
Not Available
2.8 Crystal System
2.9 Birefringence
Not AvailableNot Available
0
0.296
2.10 Clarity
Translucent
Not Available
3 Benefits
3.1 Physical
3.1.1 Neurological
Not Available
Not Available
3.1.2 Cardiovascular
Not Available
Not Available
3.1.3 Respiratory
Not Available
Not Available
3.1.4 Reproductive
Not Available
Not Available
3.1.5 Digestive
Not Available
Not Available
3.2 Psychology
Not Available
Not Available
3.3 Healing
Not Available
Not Available
3.4 Qualities Associated
Not Available
Not Available