1 Astrology
1.1 Origin
Southern and central Africa, Sixth Edition (2006)
Not Available
1.2 Color
Blue, Green, Blue, Brown
Yellow, Brownish, Reddish, Green, Brownish, Yellow, Green, Yellow, Red
1.3 Streak
White, Blue, Green
White, Yellow
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
Not Available
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1.8 Energy
1.9 Deities
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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2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Cu2H2Si2O5(OH)4
(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
visible: O = Pale yellow E = Canary yellow to yellow orange
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.460-1.5701.575-1.585
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.023-0.050Not Available
0
0.296
3.9 Clarity
Gemmological Tables (2004) More from other references
Not Available
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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