1 Astrology
1.1 Origin
Russia, Madagascar, Brazil
Sri Lanka
1.2 Color
Green, Green, White, Blue
Blue
1.3 Streak
1.4 For which Rashi?
Virgo
Sagittarius, Scorpio
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.55-2.573.65-4.55
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
None, but may exhibit slight parting
2.7 Mohs Hardness
2.8 Chemical Composition
KAlSi3O8
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
WeakMichael OâDonoghue
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
Gemmological Tables (2004)
3.5 Refractive Index
1.522-1.5301.735-1.790
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.008-0.010Not Available
0
0.296
3.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available