1 Astrology
1.1 Origin
Southern and central Africa
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1.2 Color
Colorless, White, gray, Brown, pink
Green
1.3 Streak
1.4 For which Rashi?
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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
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2.3 Durability
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2.4 Specific Gravity
3.05-3.083.18-3.37
1
7.18
2.5 Fracture
Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle
Conchoidal
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
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3 Optical Properties
3.1 Luster
3.2 Pleochroism
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3.3 Dispersion
3.4 Transparency
Semitransparent
Gemmological Tables (2004) More from other references
3.5 Refractive Index
Not Available1.635-1.663
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
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3.8 Birefringence
Not Available0.0170-0.230
0
0.296
3.9 Clarity
TranslucentAnthony et al
Gemmological Tables (2004) More from other references
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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