1 Astrology
1.1 Origin
India
Southern and central Africa
1.2 Color
Colorless, White, Yellow, Green, White, pink, Green, Yellow, Violet, White, pink, Green, Yellow, Violet
Yellow, Brown, Black, Black
1.3 Streak
1.4 For which Rashi?
Not Available
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1.5 Planet
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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
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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
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Uneven, Brittle, Uneven, Brittle, Uneven
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.6 Cleavage
Perfect on {001}, imperfect on {110}
{010} moderate, {100} imperfect
2.7 Mohs Hardness
2.8 Chemical Composition
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous, Resinous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Not Available
TransparentAnthony et al, Handbook of mineralogy (2001)
3.5 Refractive Index
1.530-1.5361.827-1.879
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.042-0.051
0
0.296
3.9 Clarity
Not Available
TransparentAnthony et al
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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