1 Astrology
1.1 Origin
Brazil
Southern and central Africa
1.2 Color
Yellow, Brown, gray, Greenish
Blue, Grey
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
Not Available
1.9 Deities
Not Available
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1.10 Not to wear with
Not Available
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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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
3.83-3.892.58-2.64
1
7.18
2.5 Fracture
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
Gemstones of the world (2001)
2.6 Cleavage
Perfect on {01 1 1}
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO 2Walter Schumann , Gemstones of the world (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Not Available
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Gemstones of the world (2001)
3.5 Refractive Index
1.633-1.8751.534-1.540
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.242Not Available
0
0.296
3.9 Clarity
Transparent
Gemstones of the world (2001)
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
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