1 Astrology
1.1 Origin
Southern and central Africa, Sixth Edition (2006)
USA, Mexico, Austria, India, Southern and central Africa, Australia, Argentina, Mexico, Spain, Argentina, Mexico, Spain
1.2 Color
Blue, Green, Blue, Brown
Red, Brown, rose
1.3 Streak
1.4 For which Rashi?
Taurus
Scorpio, Leo, Scorpio, Leo, Scorpio, Leo
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
Not Available
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1.11 Powers
1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Conchoidal, Conchoidal to uneven, Brittle
2.6 Cleavage
none
On {10 1 1} perfect; parting on {10 1 2}
2.7 Mohs Hardness
2.8 Chemical Composition
3 Optical Properties
3.1 Luster
Vitreous, Greasy
Vitreous
3.2 Pleochroism
AbsentWalter Schumann
Weak
3.3 Dispersion
3.4 Transparency
Opaque
Transparent, Opaque, Transparent to nearly opaque
3.5 Refractive Index
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.023-0.0500.208-0.220
0
0.296
3.9 Clarity
Gemmological Tables (2004) More from other references
Transparent to nearly opaque
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
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
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