1 Astrology
1.1 Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Brazil
1.2 Color
Blue, Green, Brownish, Greenish, Colorless, gray
Yellow, pink
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
2.2 Solubility
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.20-3.263.05-3.08
1
7.18
2.5 Fracture
Splintery
Subconchoidal, Uneven, Conchoidal, Uneven
2.6 Cleavage
{010} perfect
Poor on {100}
2.7 Mohs Hardness
2.8 Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Vitreous, Subadamantine, Silky
Vitreous, Resinous
3.2 Pleochroism
Colourless to pale brown to yellow
Visible: X = yellow; Y = pink; Z = pale pink to colorless
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent
3.5 Refractive Index
1.653-1.6851.639-1.672
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Orthorhombic
Orthorhombic
3.8 Birefringence
0.020-0.0220.029-0.032
0
0.296
3.9 Clarity
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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