1 Astrology
1.1 Origin
Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France
Sri Lanka
1.2 Color
Green, Colorless, gray, Yellow, White
Green, Red, Blue, Brown, pink
1.3 Streak
1.4 For which Rashi?
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
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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
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
2.6 Cleavage
Distinct on [001]
{0001} Poor
2.7 Mohs Hardness
2.8 Chemical Composition
Ca2Al2Si3O12(OH)
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
Strong: dark brown light brownAnthony et al
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.611-1.673Not Available
1
3.25
3.6 Optic Character
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3.7 Crystal System
Orthorhombic
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3.8 Birefringence
0.021-0.033Not Available
0
0.296
3.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent
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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