1 Astrology
1.1 Origin
Not Available
Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France
1.2 Color
Black, Blue, Yellow, Green
Green, Colorless, gray, Yellow, White
1.3 Streak
Grey, Greenish, Brown
Colorless
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.28-3.442.80-2.95
1
7.18
2.5 Fracture
Uneven, Splintery, Brittle
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
2.6 Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Distinct on [001]
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
Ca2Al2Si3O12(OH)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
X = blue
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Not Available
Translucent
3.5 Refractive Index
1.680-1.6981.611-1.673
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.005-0.0080.021-0.033
0
0.296
3.9 Clarity
Not Available
TranslucentHerve Nicolas Lazzarelli
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available