1 Astrology
1.1 Origin
Southern and central Africa
Canada, USA
1.2 Color
Greenish, Blue, Colorless, Green, Yellow
Yellow, Green, Blue
1.3 Streak
Greenish, gray
Not Available
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
Not Available
Earth, Air, Water
1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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1.8 Energy
1.9 Deities
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
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2.2 Solubility
2.3 Durability
Not Available
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2.4 Specific Gravity
3.17-3.242.75-2.80
1
7.18
2.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Uneven, Granular
2.6 Cleavage
(0001) indistinct
no true cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
SiCArthur Thomas , Gemstones (2009)
Not Available
3 Optical Properties
3.1 Luster
Adamantine
Silky, Vitreous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
3.5 Refractive Index
2.648-2.6911.520-1.670
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available
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
Not Available
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4.3 Healing
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4.4 Qualities Associated
Not Available
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