1 Astrology
1.1 Origin
Afghanistan, Brazil, Mozambique, Sri Lanka, USA
Southern and central Africa
1.2 Color
Green, Brown
Yellow, Brown, Black, Black
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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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
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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
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
1.3 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.5 Cleavage
Not Available
{010} moderate, {100} imperfect
1.7 Mohs Hardness
2.5 Chemical Composition
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.
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Not Available
Vitreous, Resinous
3.2 Pleochroism
Strong: dark green yellow
Faint
3.3 Dispersion
4.3 Transparency
Transparent, Translucent
TransparentAnthony et al, Handbook of mineralogy (2001)
4.5 Refractive Index
1.614-1.6661.827-1.879
1
3.25
4.6 Optic Character
Not Available
Not Available
4.7 Crystal System
Not Available
Orthorhombic
4.8 Birefringence
0.014-0.0400.042-0.051
0
0.296
4.11 Clarity
Transparent
TransparentAnthony et al
5 Benefits
5.1 Physical
5.1.1 Neurological
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5.1.2 Cardiovascular
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5.1.3 Respiratory
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5.1.4 Reproductive
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5.1.5 Digestive
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5.2 Psychology
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5.3 Healing
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5.4 Qualities Associated
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