1 Astrology
1.1 Origin
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
1.2 Color
Colorless, Yellow, Green, Violet, White, Colorless, Blue, Red, Green, Yellow, pink
Violet, Blue
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Pisces, Taurus, Gemini, Libra, Pisces, Taurus, Gemini, Libra, Pisces, Taurus, Gemini, Libra
Not Available
1.5 Planet
1.6 Element of Planets
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
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Psychic Power, Prosperity
Not Available
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
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.95-4.032.56-2.66
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
None, but may exhibit parting
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
Al 2 O 3
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Vitreous
3.2 Pleochroism
Strong
Strong trichroism: colorless to yellowish
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to opaque
Transparent
3.5 Refractive Index
1.762-1.7881.542-1.578
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.008-0.0090.008-0.012
0
0.296
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available