1 Astrology
1.1 Origin
India, Italy
Madagascar, Southern and central Africa
1.2 Color
White, Reddish
Grey, Brownish, Blue, Colorless, White, gray, Reddish
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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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
Not Available
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2.4 Specific Gravity
2.08-2.162.54-2.61
1
7.18
2.5 Fracture
Irregular/uneven, UnevenArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gems, Sixth Edition (2006)
2.6 Cleavage
distinct/good on {1011}
{001} Perfect, {010} Good
2.7 Mohs Hardness
2.8 Chemical Composition
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
NilArthur Thomas
WeakMichael OâDonoghue
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.478-1.4901.518-1.536
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.005-0.0080.005-0.008
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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