1 Astrology
1.1 Origin
India, Canada, Brazil
Mexico, USA, Spain
1.2 Color
Colorless, Reddish, White, pink, Green, Yellow, Violet, Blue, Brown
Green, Brown, Yellow, Red, 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 Energy
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1.8 How to Wear?
1.8.1 Finger
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1.8.2 Ring Metal
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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
2.30-2.503.95-4.10
1
7.18
2.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven
2.6 Cleavage
Perfect on (001)
{110} Perfect, {110} Perfect, {110} Perfect
2.7 Mohs Hardness
2.8 Chemical Composition
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Adamantine
3.2 Pleochroism
Dichroic (colorless)
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent, Translucent
3.5 Refractive Index
1.530-1.5432.368-2.371
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.000-0.003Not Available
0
0.296
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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