1 Astrology
1.1 Origin
1.2 Color
Brown, Brownish, Yellow, Black, Reddish
Red
1.3 Streak
White, gray
Not Available
1.4 For which Rashi?
Not Available
Taurus, Aries, Taurus, Aries, Taurus, Aries
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
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
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.7-3.8Not Available
1
7.18
2.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Not Available
2.6 Cleavage
Distinct on {010}
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2.7 Mohs Hardness
2.8 Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
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3 Optical Properties
3.1 Luster
3.2 Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
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3.3 Dispersion
3.4 Transparency
Blue Chart Gem Identification (2010) More from other references
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3.5 Refractive Index
1.736-1.762Not Available
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
Not Available
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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