1 Astrology
1.1 Origin
Sri Lanka
Canada, USA, Italy, Russia, Switzerland, Tanzania, Kenya, Sri Lanka
1.2 Color
Red, Brown, Black
Green, Yellow, Brown, Violet, Blue
1.3 Streak
1.4 For which Rashi?
Not Available
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1.5 Planet
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1.6 Element of Planets
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1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
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1.8 Energy
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.97-3.14Not Available
1
7.18
2.5 Fracture
Uneven, Conchoidal, Brittle
Not Available
2.6 Cleavage
{1011} Indistinct
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2.7 Mohs Hardness
Not AvailableNot Available
2
10
2.8 Chemical Composition
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
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3 Optical Properties
3.1 Luster
3.2 Pleochroism
Pale yellow colorlessAnthony et al
Not Available
3.3 Dispersion
3.4 Transparency
Transparent
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3.5 Refractive Index
1.614-1.6661.67-1.76
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.014-0.032Not 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
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4.1.5 Digestive
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4.2 Psychology
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4.3 Healing
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4.4 Qualities Associated
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