1 Astrology
1.1 Origin
Canada, Russia, Kenya, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Norway, Brazil
Southern and central Africa
1.2 Color
Green, Greenish, Black, Green, Greenish, Black, Green, Greenish, Black, Reddish, Brown, Black, Green, Greenish, Black, Reddish, Brown, Black, Green, Greenish, Black, Reddish, Brown, Black
Blue, Green, Colorless
1.3 Streak
Yellow, Yellowish-grey, gray
White
1.4 For which Rashi?
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
1.10 Not to wear with
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1.11 Powers
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
3.50-3.602.64-2.70
1
7.18
2.5 Fracture
Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
(e.g. graphite).
2.6 Cleavage
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
{010} Perfect
2.7 Mohs Hardness
2.8 Chemical Composition
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Resinous
Vitreous, Pearly
3.2 Pleochroism
X = emerald green
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
3.5 Refractive Index
1.720-1.7781.560-1.640
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.037-0.0610.054-0.075
0
0.296
1.12 Clarity
Gemmological Tables (2004) More from other references
Transparent
2 Benefits
2.1 Physical
2.1.1 Neurological
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2.1.3 Cardiovascular
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2.1.4 Respiratory
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2.1.5 Reproductive
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2.1.6 Digestive
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2.2 Psychology
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2.3 Healing
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2.4 Qualities Associated
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