1 Astrology
1.1 Origin
Southern and central Africa
Brazil
1.2 Color
Colorless, Green, Yellow, White, Colorless, Green, Yellow, White
Yellow, Brown, Black, Colorless, White, Brownish
1.3 Streak
1.4 For which Rashi?
Not Available
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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
Not Available
Effervesces in hot HCl
2.3 Durability
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2.4 Specific Gravity
3.23-3.262.92-3.12
1
7.18
2.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
Perfect on {010} imperfect on {100}
[10 1 1] perfect
2.7 Mohs Hardness
2.8 Chemical Composition
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
colorless.
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.635-1.6711.509-1.720
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
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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