1 Astrology
1.1 Origin
Afghanistan, Southern and central Africa
Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma
1.2 Color
Blue, Greenish, Violet
Blue, Yellow, Colorless, White, gray, Green, Black
1.3 Streak
1.4 For which Rashi?
Not Available
Aries, Libra, Taurus, Aries, Libra, Taurus, Aries, Libra, Taurus
1.5 Planet
1.6 Element of Planets
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
1.9 Deities
Not Available
Endurance, Meditation, Love
1.10 Not to wear with
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1.11 Powers
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
Not Available
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2.4 Specific Gravity
1.4 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Splintery, Brittle, Metallic
1.5 Cleavage
Imperfect on {110}
[100] perfect [010] imperfect with 79° angle between
1.6 Mohs Hardness
1.7 Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Not Available
2 Optical Properties
2.1 Luster
Vitreous
Vitreous, Pearly
2.2 Pleochroism
2.3 Dispersion
2.9 Transparency
Gemmological Tables (2004) More from other references
Not Available
2.10 Refractive Index
2.12 Optic Character
Not Available
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2.13 Crystal System
2.14 Birefringence
Not AvailableNot Available
0
0.296
2.15 Clarity
Gemmological Tables (2004) More from other references
Color grading system
3 Benefits
3.1 Physical
3.1.1 Neurological
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3.1.2 Cardiovascular
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3.1.3 Respiratory
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3.1.4 Reproductive
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3.1.5 Digestive
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3.2 Psychology
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3.3 Healing
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3.4 Qualities Associated
Not Available
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