1 Astrology
1.1 Origin
China, South Africa
Southern and central Africa
1.2 Color
Yellow, Brown
Colorless, White, gray, Brown, pink
1.3 Streak
1.4 For which Rashi?
Leo, Capricorn, Leo, Capricorn, Leo, Capricorn
Not Available
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
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1.8 Energy
1.9 Deities
1.10 Not to wear with
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1.11 Powers
Money, Protection
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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
2.58-2.643.05-3.08
1
7.18
2.5 Fracture
Gems, Sixth Edition (2006)
Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
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3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.534-1.540Not Available
1
3.25
3.6 Optic Character
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3.7 Crystal System
Trigonal
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Gemstones of the world (2001) More from other references
TranslucentAnthony et al
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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