1 Astrology
1.1 Origin
Southern and central Africa
Southern and central Africa
1.2 Color
Yellow, Green, Blue, Violet
Colorless, White, gray, Brown, pink
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
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1.8 Energy
Not Available
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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
Not Available
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2 Physical Properties
2.1 Tenacity
Not Available
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.90-4.053.05-3.08
1
7.18
2.5 Fracture
Not Available
Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
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
Not Available
Not Available
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Semitransparent
3.5 Refractive Index
1.758-1.780Not Available
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Not Available
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
3.8 Birefringence
0.007-0.010Not Available
0
0.296
3.9 Clarity
Transparent
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
Not Available
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