1 Astrology
1.1 Origin
Southern and central Africa
Russia
1.2 Color
Colorless, Greenish, Colorless, Green, gray, Yellow
Colorless, Brownish
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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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
2.2 Solubility
Not Available
Nearly insoluble in HCl and HNO3
2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Irregular/uneven, Uneven
Conchoidal, Brittle
2.6 Cleavage
Perfect on {001}
Distinct on {010}
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Not Available
3 Optical Properties
3.1 Luster
Vitreous
Greasy, Vitreous, Pearly
3.2 Pleochroism
StrongArthur Thomas
(x): colorless. (y): colorless. (z): colorless.
3.3 Dispersion
3.4 Transparency
Transparent
Not Available
3.5 Refractive Index
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.006-0.011Not Available
0
0.296
3.9 Clarity
Transparent
Not Available
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
Not Available
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4.3 Healing
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4.4 Qualities Associated
Not Available
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