1 Astrology
1.1 Origin
Kenya, Southern and central Africa
Afghanistan, Pakistan, Burma, Brazil, Madagascar, USA, Canada, Russia, Madagascar, Brazil, Canada, Mexico, Madagascar, Brazil, Canada, Mexico
1.2 Color
Green, Brown, Yellow, Red
Colorless, pink
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
1.5 Planet
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Pluto, Venus
1.6 Element of Planets
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
1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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
3.55-3.703.15-3.21
1
7.18
2.5 Fracture
Gemstones (2009)
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
Not Available
1,2 prismatic
2.7 Mohs Hardness
2.8 Chemical Composition
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
LiAlSi2O6
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.710-1.7351.657-1.681
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.012-0.0330.014-0.016
0
0.296
3.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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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