1 Astrology
1.1 Origin
Southern and central Africa, Sixth Edition (2006)
Colombia, Color: Red, Orangey Red, Orange, Yellow, color shift to Green, Hardness: 6 6.5, Refractive index: 1.55 1.56, Density: 2.66 2.70, Chemical composition: (Na, Ca)(Si, Al)4O8, Crystal structure: triclinic, Origins: Congo, Tibet.
1.2 Color
Blue, Green, Blue, Brown
Red, Yellow, White, gray, Green, Yellow, Red, Colorless, gray, Yellow, Green, White
1.3 Streak
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
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
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.00-2.452.65-2.69
1
7.18
2.5 Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
2.6 Cleavage
none
Perfect on {001}, good on {010}
2.7 Mohs Hardness
2.8 Chemical Composition
Cu2H2Si2O5(OH)4
(Na,Ca)Al1-2Si3-2O8
3 Optical Properties
3.1 Luster
Vitreous, Greasy
Vitreous
3.2 Pleochroism
AbsentWalter Schumann
colorless.
3.3 Dispersion
3.4 Transparency
Opaque
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.460-1.5701.543-1.564
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.023-0.0500.007-0.011
0
0.296
3.9 Clarity
Gemmological Tables (2004) More from other references
Transparent
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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