1 Astrology
1.1 Origin
Madagascar, Sri Lanka
Canada, USA
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Yellow, Green, Blue
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
Not Available
Earth, Air, Water
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
Not Available
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
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Not Available
Uneven, Granular
2.6 Cleavage
Not Available
no true cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Not Available
3 Optical Properties
3.1 Luster
Not Available
Silky, Vitreous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004)
Not Available
3.5 Refractive Index
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.135-0.145
0
0.296
3.9 Clarity
Gemmological Tables (2004)
Not Available
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
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available