1 Astrology
1.1 Origin
Southern and central Africa
Southern and central Africa
1.2 Color
Black, Reddish, gray, Red
Green, Yellow, Red, Blue
1.3 Streak
Black, Brown, Reddish, Red
Black
1.4 For which Rashi?
Aries, Aquarius, Aries, Aquarius, Aries, Aquarius
Not Available
1.5 Planet
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
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
Not Available
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
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Not Available
2.6 Cleavage
None, may show partings on {0001} and {10 1 1}
{110} Good
2.7 Mohs Hardness
2.8 Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
NaFeS2•2(H2O)
3 Optical Properties
3.1 Luster
Not Available
Vitreous, Silky
3.2 Pleochroism
O = brownish red; E = yellowish red
Extreme
3.3 Dispersion
3.4 Transparency
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Translucent
3.5 Refractive Index
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
3.8 Birefringence
0.280Not Available
0
0.296
3.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Translucent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available