1 Astrology
1.1 Origin
Guatemala, Russia, Columbia, Canada, Italy
Southern and central Africa
1.2 Color
White, Red, Brown, Green, gray
Violet, Blue, Red, Yellow, Brown, gray
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
2.3 Durability
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2.4 Specific Gravity
3.28-3.383.90-4.05
1
7.18
2.5 Fracture
Splintery, UnevenArthur Thomas, Difficult, Fibrous
Uneven, Uneven, Gems, Difficult, Fibrous
2.6 Cleavage
Good on [110]
None – parting in 3 directions
2.7 Mohs Hardness
2.8 Chemical Composition
NaAlSi 2O 6Ulrich Henn and Claudio C.
Al 2O 3Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Pearly
Adamantine, Vitreous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Translucent
Transparent, Translucent
3.5 Refractive Index
1.652-1.6881.758-1.780
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.013-0.0200.007-0.010
0
0.296
3.9 Clarity
Translucent
Gemmological Tables (2004) More from other references
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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