1 Astrology
1.1 Origin
Switzerland
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
1.2 Color
Brown, Brownish, Yellow, Black, Reddish
White, Colorless, Blue, Red, Green, Yellow, Violet
1.3 Streak
White, gray
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1.4 For which Rashi?
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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
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
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.
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
3.3 Dispersion
3.4 Transparency
Blue Chart Gem Identification (2010) More from other references
Transparent, Translucent
3.5 Refractive Index
1.736-1.7621.614-1.666
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.009-0.0150.014-0.040
0
0.296
3.9 Clarity
Blue Chart Gem Identification (2010) More from other references
Transparent
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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