1 Astrology
1.1 Origin
Southern and central Africa
Canada
1.2 Color
Green
Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black
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
2.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
2.6 Cleavage
{110} Good, {110} Good
{100} Good, {010} Good, {001} Good
2.7 Mohs Hardness
2.8 Chemical Composition
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
CoAsSAnthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Weak: colorless -- very pale green -- very pale green
Very weak
3.3 Dispersion
3.4 Transparency
TranslucentAnthony et al, Handbook of mineralogy (2001)
Gems
3.5 Refractive Index
1.662-1.723Not Available
1
3.25
3.6 Optic Character
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3.7 Crystal System
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Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
TranslucentAnthony et al
Gems
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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