1 Astrology
1.1 Origin
Pakistan
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
1.2 Color
White, Green, Blue, Yellow, Brownish, Red, Blue, gray, Yellow, White
Green, Brown, Colorless, Greenish, Yellow
1.3 Streak
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
Irregular
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
2.6 Cleavage
Perfect on {0001}
Good on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous
3.2 Pleochroism
Not Available
X = colorless to green; Y = colorless
3.3 Dispersion
3.4 Transparency
TransparentMichael OâDonoghue, Gems, Sixth Edition (2006)
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.56-1.601.660-1.685
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.010-0.0200.012-0.017
0
0.296
3.9 Clarity
TransparentMichael OâDonoghue
TransparentUlrich Henn and Claudio C. Milisenda
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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