1 Astrology
1.1 Origin
Madagascar, Southern and central Africa
India
1.2 Color
Grey, Brownish, Blue, Colorless, White, gray, Reddish
Colorless, White, gray, Brownish, Greenish
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
Not Available
1.9 Deities
Not Available
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1.10 Not to wear with
Not Available
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.54-2.612.78-2.88
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Micaceous, Brittle
2.6 Cleavage
{001} Perfect, {010} Good
Perfect on the {001}
2.7 Mohs Hardness
2.8 Chemical Composition
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
Not Available
Vitreous, Silky, Pearly
3.2 Pleochroism
WeakMichael OâDonoghue
Weak
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.518-1.5361.552-1.618
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.005-0.008Not Available
0
0.296
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
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