1 Astrology
1.1 Origin
Southern and central Africa
Australia, Spain, Brazil, Germany, Australia, Spain, Brazil, Germany, Australia, Spain, Brazil
1.2 Color
Black, White, Greenish, Brown
Green, Blue, Colorless
1.3 Streak
1.4 For which Rashi?
1.5 Planet
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1.6 Element of Planets
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
1.9 Deities
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Past Life Recall
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
3.45-3.552.42-2.58
1
7.18
2.5 Fracture
Uneven
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
2.6 Cleavage
{100} Perfect, {010} Perfect
[010] perfect
2.7 Mohs Hardness
2.8 Chemical Composition
(Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.
AlPO4 · 2(H2O)
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous, Waxy
3.2 Pleochroism
Green stones strong: (dark) bluish-green brownish-red (yellowish)Herve Nicolas Lazzarelli
MissingWalter Schumann
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Translucent, Opaque . May be translucent when backlit on the edges.
3.5 Refractive Index
1.673-1.7311.560-1.594
1
3.25
3.6 Optic Character
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3.7 Crystal System
Orthorhombic
Orthorhombic
3.8 Birefringence
3.9 Clarity
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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