1 Astrology
1.1 Origin
Brazil
Southern and central Africa
1.2 Color
Yellow, White, Brown, Brownish, Black
Red, Brown, Red, Red, Black
1.3 Streak
Brown, Yellow, White
Brownish, Red, Brownish, Red
1.4 For which Rashi?
Not Available
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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
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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
2.3 Durability
Not Available
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2.4 Specific Gravity
3.06-3.255.85-6.15
1
7.18
2.5 Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
2.6 Cleavage
Poor/indistinct on {100}
Fair in four directions forming octahedrons
2.7 Mohs Hardness
2.8 Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Resinous
Adamantine
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Transparent
TranslucentWalter Schumann
3.5 Refractive Index
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.027-0.042Not Available
0
0.296
3.9 Clarity
Transparent
TranslucentWalter Schumann
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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