1 Astrology
1.1 Origin
Madagascar, Sri Lanka
Not Available
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Green, Yellow, Brown, White, Colorless, Blue, Brownish, Black
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
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Not Available
Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous
2.6 Cleavage
Not Available
[110] perfect, [101] good, [010] distinct
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Not Available
Vitreous, Resinous, Pearly
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004)
Gems
3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
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Orthorhombic
3.8 Birefringence
Not Available0.025
0
0.296
3.9 Clarity
Gemmological Tables (2004)
Gems
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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