1 Astrology
1.1 Origin
Brazil, Southern and central Africa, Sri Lanka
Brazil
1.2 Color
1.3 Streak
Red, Black
Greenish, Black, Brownish
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
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Insoluble in acids
insoluble in water
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
4.20-4.305.00-5.20
1
7.18
2.5 Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Conchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
2.6 Cleavage
{110} good, 100 moderate, parting on {092} and {011}
Indistinct on {001}; partings on {011} and {111}
2.7 Mohs Hardness
2.8 Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Weak to distinct brownish red-green-yellow
Not Available
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
3.5 Refractive Index
2.609-2.903Not Available
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.296Not Available
0
0.296
3.9 Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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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
Not Available