1 Astrology
1.1 Origin
USA
Southern and central Africa, Sixth Edition (2006)
1.2 Color
Yellow, Red, Green, Colorless, orange
Blue, Green, Blue, Brown
1.3 Streak
Yellow, yellowish orange
White, Blue, Green
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
Not Available
Not Available
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
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2.4 Specific Gravity
5.50-5.902.00-2.45
1
7.18
2.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
On {10 1 0}, perfect; parting on {000 1 }
none
2.7 Mohs Hardness
2.8 Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Cu2H2Si2O5(OH)4
3 Optical Properties
3.1 Luster
Subadamantine, Resinous
Vitreous, Greasy
3.2 Pleochroism
Very weak
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
Opaque
3.5 Refractive Index
2.013-2.0291.460-1.570
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
TransparentRobert C. Kammerling
Gemmological Tables (2004) More from other references
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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