1 Astrology
1.1 Origin
USA, Southern and central Africa, green, blue, China, India, USA, Italy, green, blue, China, India, USA, Italy
Canada
1.2 Color
White, Yellow
White, Colorless, Blue, pink
1.3 Streak
1.4 For which Rashi?
1.5 Planet
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
1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
Conchoidal, Conchoidal, Brittle
2.6 Cleavage
Not Available
Perfect on {001}, good on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Vitreous, Greasy, Silky
Vitreous
3.2 Pleochroism
AbsentWalter Schumann
Weak
3.3 Dispersion
3.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.560-1.5711.517-1.521
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
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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