1 Astrology
1.1 Origin
Brazil, Kenya, Madagascar, Southern and central Africa
Southern and central Africa
1.2 Color
Brown, Black
Black, Reddish, gray, Red
1.3 Streak
White
Black, Brown, Reddish, Red
1.4 For which Rashi?
Capricorn, Sagittarius
Aries, Aquarius, Aries, Aquarius, Aries, Aquarius
1.5 Planet
1.6 Element of Planets
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
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
2.6 Cleavage
{0110} Indistinct
None, may show partings on {0001} and {10 1 1}
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
Fe 2O 3Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
None
O = brownish red; E = yellowish red
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to translucent
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
3.5 Refractive Index
1.544-1.5532.690-3.220
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Opaque
OpaqueHerve Nicolas Lazzarelli
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
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