1 Astrology
1.1 Origin
Australia, Southern and central Africa
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1.2 Color
Violet, pink
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1.3 Streak
White, Violet, Blue
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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
2.11-2.201.98-2.50
1
7.18
3.9 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
Conchoidal
3.10 Cleavage
Perfect on {0001}
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3.11 Mohs Hardness
Not Available5.5-6.5
2
10
4.11 Chemical Composition
Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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5 Optical Properties
5.1 Luster
Waxy, Resinous
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5.2 Pleochroism
5.3 Dispersion
7.3 Transparency
Translucent
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7.4 Refractive Index
1.516-1.5441.37-1.52
1
3.25
8.5 Optic Character
Not Available
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8.6 Crystal System
8.7 Birefringence
0.026Not Available
0
0.296
9.5 Clarity
Translucent
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10 Benefits
10.1 Physical
10.1.1 Neurological
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10.1.2 Cardiovascular
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10.1.3 Respiratory
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10.1.4 Reproductive
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10.1.5 Digestive
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10.2 Psychology
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10.3 Healing
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10.4 Qualities Associated
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