1 Astrology
1.1 Origin
Pakistan, Italy, Russia, China, Brazil, Switzerland, Madagascar, Austria, Canada
Madagascar, Sri Lanka
1.2 Color
Reddish, Brown, Yellow, Green, Red, gray
White, Colorless, Blue, Red, Green, Yellow, Violet
1.3 Streak
Reddish, White
Not Available
1.4 For which Rashi?
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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
2.5 Fracture
Sub-Conchoidal, Conchoidal, Brittle
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2.6 Cleavage
Distinct on [110], parting on {221}
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2.7 Mohs Hardness
2.8 Chemical Composition
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(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
3 Optical Properties
3.1 Luster
Subadamantine, Resinous
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3.2 Pleochroism
Strong: X = nearly colorless; Y = yellow to green; Z = red to yellow-orange
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3.3 Dispersion
3.4 Transparency
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Gemmological Tables (2004)
3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.105-0.135Not Available
0
0.296
3.9 Clarity
Not Available
Gemmological Tables (2004)
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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