1 Astrology
1.1 Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Southern and central Africa, Zimbabwe, South Africa
1.2 Color
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
Green, Blue, Green, Blue, Green
1.3 Streak
White
Greenish, White, Greenish, White, Greenish, White
1.4 For which Rashi?
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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Gaia, Goddess, The All
1.10 Not to wear with
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1.11 Powers
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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Decomposed by acids
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Subconchoidal, Conchoidal, Brittle
Not Available
2.6 Cleavage
Fair on {100}, poor on {001} and {010}
Perfect on {010}
2.7 Mohs Hardness
2.8 Chemical Composition
Mg2Al4Si5O18
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
3 Optical Properties
3.1 Luster
Greasy, Vitreous
Vitreous
3.2 Pleochroism
X = pale yellow
X: very light bluish green; Y and Z: brilliant bluish green
3.3 Dispersion
3.4 Transparency
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3.5 Refractive Index
Not Available1.550
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.091
0
0.296
3.9 Clarity
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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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