1 Astrology
1.1 Origin
Kenya, Southern and central Africa
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
1.2 Color
Green, Brown, Yellow, Red
Colorless, Yellow, Green, Violet, White, Colorless, Blue, Red, Green, Yellow, pink
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Not Available
Pisces, Taurus, Gemini, Libra, Pisces, Taurus, Gemini, Libra, Pisces, Taurus, Gemini, Libra
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
Not Available
Psychic Power, Prosperity
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
3.55-3.703.95-4.03
1
7.18
2.5 Fracture
Gemstones (2009)
Uneven, Uneven, Gems, Sixth Edition (2006)
2.6 Cleavage
Not Available
None, but may exhibit parting
2.7 Mohs Hardness
2.8 Chemical Composition
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Al 2 O 3
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Adamantine, Vitreous, Adamantine
3.2 Pleochroism
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Strong
3.3 Dispersion
3.4 Transparency
Transparent
Transparent, Translucent, Transparent to opaque
3.5 Refractive Index
1.710-1.7351.762-1.788
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.012-0.0330.008-0.009
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