1 Astrology
1.1 Origin
Southern and central Africa
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
1.2 Color
Black, Blue, Violet
Colorless, Yellow, Green, Violet, White, Colorless, Blue, Red, Green, Yellow, pink
1.3 Streak
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
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2.4 Specific Gravity
2.95-3.133.95-4.03
1
7.18
2.5 Fracture
Not Available
Uneven, Uneven, Gems, Sixth Edition (2006)
2.6 Cleavage
{210} Perfect
None, but may exhibit parting
2.7 Mohs Hardness
2.8 Chemical Composition
Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Al 2 O 3
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Adamantine, Vitreous, Adamantine
3.2 Pleochroism
Strong in shades of violet when dark-colored.Anthony et al
Strong
3.3 Dispersion
3.4 Transparency
Transparent
Transparent, Translucent, Transparent to opaque
3.5 Refractive Index
1.622-1.6661.762-1.788
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Trigonal
3.8 Birefringence
Not Available0.008-0.009
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
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available