1 Astrology
1.1 Origin
Switzerland
Southern and central Africa
1.2 Color
Brown, Brownish, Yellow, Black, Reddish
Yellow, Red, Brown
1.3 Streak
White, gray
Not Available
1.4 For which Rashi?
Not Available
Pisces, Cancer, Pisces, Cancer
1.5 Planet
Not Available
Moon, Neptune
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
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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
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
Not Available
2.6 Cleavage
Distinct on {010}
Not Available
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
3.2 Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
Not Available
3.3 Dispersion
3.4 Transparency
Blue Chart Gem Identification (2010) More from other references
Gemmological Tables (2004)
3.5 Refractive Index
1.736-1.7621.53-1.69
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Blue Chart Gem Identification (2010) More from other references
Gemmological Tables (2004)
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
Not Available
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4.3 Healing
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4.4 Qualities Associated
Not Available
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