1 Astrology
1.1 Origin
Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma
Sri Lanka
1.2 Color
Blue, Yellow, Colorless, White, gray, Green, Black
Green, Red, Blue, Brown, pink
1.3 Streak
1.4 For which Rashi?
Aries, Libra, Taurus, Aries, Libra, Taurus, Aries, Libra, Taurus
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
Endurance, Meditation, Love
Not Available
1.10 Not to wear with
Not Available
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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
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Splintery, Brittle, Metallic
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
2.6 Cleavage
[100] perfect [010] imperfect with 79° angle between
{0001} Poor
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous
3.2 Pleochroism
Trichroic
Strong: dark brown light brownAnthony et al
3.3 Dispersion
3.4 Transparency
Not Available
Transparent
3.5 Refractive Index
1.71-1.74Not Available
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
Color grading system
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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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