1 Astrology
1.1 Origin
Mexico, USA, Canada, Madagascar, Spain, Russia, Sri Lanka, India, Burma, Color: green, greenish yellow, blue, violet, Hardness: 5, Refractive index: 1.60 1.67, Density: 3.17 3.35, Chemical composition: Phosphate composition, Crystal structure: hexagonal, Lustre: vitreous, Origins: Mexico, USA, Canada, Madagascar, Spain, Russia, Sri Lanka, India, brown, green, Yellow, violet, brown, green, Yellow, violet
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
1.2 Color
Yellow, Green, Blue, Blue, Green, White, Yellow, Green, Red, Blue, Green, Colorless, Yellow, Blue, Violet, pink, Brown
Green, Brown, Colorless, Greenish, 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
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1.8 Energy
1.9 Deities
Jupiter/Neptune
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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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
3.16-3.233.25-3.45
1
7.18
2.5 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
2.6 Cleavage
[0001] indistinct, [1010] indistinct
Good on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Blue stones – strong
X = colorless to green; Y = colorless
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.628-1.6511.660-1.685
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.002-0.0080.012-0.017
0
0.296
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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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