1 Astrology
1.1 Origin
Sri Lanka
Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma
1.2 Color
Green, Red, Blue, Brown, pink
Blue, Yellow, Colorless, White, gray, Green, Black
1.3 Streak
1.4 For which Rashi?
Not Available
Aries, Libra, Taurus, Aries, Libra, Taurus, Aries, Libra, Taurus
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
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1.8 Energy
1.9 Deities
Not Available
Endurance, Meditation, Love
1.10 Not to wear with
Not Available
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1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
Splintery, Brittle, Metallic
2.6 Cleavage
{0001} Poor
[100] perfect [010] imperfect with 79° angle between
2.7 Mohs Hardness
2.8 Chemical Composition
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Not Available
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Pearly
3.2 Pleochroism
Strong: dark brown light brownAnthony et al
Trichroic
3.3 Dispersion
3.4 Transparency
Transparent
Not Available
3.5 Refractive Index
Not Available1.71-1.74
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Transparent
Color grading system
4 Benefits
4.1 Physical
4.1.1 Neurological
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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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
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