1 Astrology
1.1 Origin
Southern and central Africa
Russia, Brazil, Madagascar, USA, Russia, Brazil, Yellow, Madagascar, Namibia, USA, Russia, Brazil, Yellow, Madagascar, Namibia, USA
1.2 Color
Colorless, Blue, Green
Yellow
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
Not Available
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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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
3.07-3.13Not Available
1
7.18
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Not Available
2.6 Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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3 Optical Properties
3.1 Luster
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3.2 Pleochroism
NilArthur Thomas
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3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
3.5 Refractive Index
1.595-1.621Not Available
1
3.25
3.6 Optic Character
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3.7 Crystal System
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3.8 Birefringence
0.021Not Available
0
0.296
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available
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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