1 Astrology
1.1 Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Canada, Australia
1.2 Color
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
Green
1.3 Streak
White
Yellow, Green, Yellow, Green
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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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
HCl soluble
2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Subconchoidal, Conchoidal, Brittle
Uneven
2.6 Cleavage
Fair on {100}, poor on {001} and {010}
{10 1 1} Good
2.7 Mohs Hardness
2.8 Chemical Composition
Mg2Al4Si5O18
(Ni,Mg,Fe++)CO3
3 Optical Properties
3.1 Luster
Greasy, Vitreous
Vitreous
3.2 Pleochroism
X = pale yellow
Not Available
3.3 Dispersion
3.4 Transparency
Not Available
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3.5 Refractive Index
Not Available1.830
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.220
0
0.296
3.9 Clarity
Not Available
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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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