1 Astrology
1.1 Origin
Austria, Spain, Russia, Canada, Australia
Guatemala, Russia, Columbia, Canada, Italy
1.2 Color
Colorless, Brownish, Yellow, Green, gray, White
White, Red, Brown, Green, gray
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
Not Available
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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
Not Available
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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
Conchoidal, Brittle
Splintery, UnevenArthur Thomas, Difficult, Fibrous
2.6 Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}
Good on [110]
2.7 Mohs Hardness
2.8 Chemical Composition
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
NaAlSi 2O 6Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Translucent
3.5 Refractive Index
1.735-1.7381.652-1.688
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.013-0.020
0
0.296
3.9 Clarity
TransparentWalter Schumann
Translucent
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
Not Available
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