1 Astrology
1.1 Origin
USA
Southern and central Africa
1.2 Color
Yellow, Red, Green, Colorless, orange
Green
1.3 Streak
Yellow, yellowish orange
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1.4 For which Rashi?
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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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1.10 Not to wear with
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1.11 Powers
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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
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2.4 Specific Gravity
5.50-5.902.51-2.63
1
7.18
2.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Conchoidal, Handbook of mineralogy (2001)
2.6 Cleavage
On {10 1 0}, perfect; parting on {000 1 }
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2.7 Mohs Hardness
2.8 Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
Subadamantine, Resinous
Waxy, Silky, Resinous, Greasy
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
3.5 Refractive Index
2.013-2.0291.530-1.575
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.016Not Available
0
0.296
3.9 Clarity
TransparentRobert C. Kammerling
TranslucentHerve Nicolas Lazzarelli
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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