1 Astrology
1.1 Origin
India, Italy
Southern and central Africa
1.2 Color
White, Reddish
Colorless, Green, Yellow, White, Colorless, Green, Yellow, White
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
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
Not Available
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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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.08-2.163.23-3.26
1
7.18
2.5 Fracture
Irregular/uneven, UnevenArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.6 Cleavage
distinct/good on {1011}
Perfect on {010} imperfect on {100}
2.7 Mohs Hardness
2.8 Chemical Composition
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
NilArthur Thomas
colorless.
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.478-1.4901.635-1.671
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.005-0.0080.033-0.042
0
0.296
3.9 Clarity
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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