1 Astrology
1.1 Origin
1.2 Color
Yellow, Red, Green, Colorless, orange
Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black
1.3 Streak
Yellow, yellowish orange
Black
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
2.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
2.6 Cleavage
On {10 1 0}, perfect; parting on {000 1 }
{100} Good, {010} Good, {001} Good
2.7 Mohs Hardness
2.8 Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
CoAsSAnthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
Subadamantine, Resinous
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3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
Gems
3.5 Refractive Index
2.013-2.029Not Available
1
3.25
3.6 Optic Character
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3.7 Crystal System
Hexagonal
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
3.8 Birefringence
0.016Not Available
0
0.296
3.9 Clarity
TransparentRobert C. Kammerling
Gems
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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