1 Astrology
1.1 Origin
1.2 Color
Black, Blue, Yellow, Green
Yellow, Brown, gray, Greenish
1.3 Streak
Grey, Greenish, Brown
White
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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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
Not Available
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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
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.28-3.443.83-3.89
1
7.18
2.5 Fracture
Uneven, Splintery, Brittle
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
2.6 Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Perfect on {01 1 1}
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Not Available
Transparent, Translucent
3.5 Refractive Index
1.680-1.6981.633-1.875
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Not Available
Transparent
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
Not Available
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