1 Astrology
1.1 Origin
Switzerland
Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma
1.2 Color
Brown, Brownish, Yellow, Black, Reddish
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
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Splintery, Brittle, Metallic
2.6 Cleavage
Distinct on {010}
[100] perfect [010] imperfect with 79° angle between
2.7 Mohs Hardness
2.8 Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Not Available
3 Optical Properties
3.1 Luster
Resinous
Vitreous, Pearly
3.2 Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
Trichroic
3.3 Dispersion
3.4 Transparency
Blue Chart Gem Identification (2010) More from other references
Not Available
3.5 Refractive Index
1.736-1.7621.71-1.74
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.009-0.015Not Available
0
0.296
3.9 Clarity
Blue Chart Gem Identification (2010) More from other references
Color grading system
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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