1 Astrology
1.1 Origin
Austria, India, green
Italy, Canada
1.2 Color
White
Blue, Red, Yellow, Colorless, Blue, Colorless, Green, Yellow, White, Blue, Colorless, Green, Yellow, White
1.3 Streak
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
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2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.64-2.692.90-3.10
1
7.18
2.5 Fracture
Conchoidal
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.6 Cleavage
Indiscernible
Poor/indistinct on {1120} and {1011}
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
Pale green
3.3 Dispersion
3.4 Transparency
Translucent, Opaque . May be translucent when backlit on the edges.
Transparent
3.5 Refractive Index
1.544-1.5531.614-1.666
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.007-0.0100.014-0.032
0
0.296
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available