Origin
Southern and central Africa
USA
Color
Black, Brownish, Brown
Yellow, Red, Green, Colorless, orange
Streak
Brown
Yellow, yellowish orange
For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
Planetary
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Talisman
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Tenacity
Brittle
Brittle
Solubility
-
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Durability
-
-
Specific Gravity
4.5-4.85.50-5.90
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None, parting may develop along {111}
On {10 1 0}, perfect; parting on {000 1 }
Mohs Hardness
5.54
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Subadamantine, Resinous
Pleochroism
none.
Very weak
Dispersion
0.040.16
0.005
1
👆🏻
Transparency
-
TransparentRobert C. Kammerling
Refractive Index
2.08-2.162.013-2.029
1
3.25
👆🏻
Optic Character
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-
Crystal System
Isometric
Hexagonal
Birefringence
-99990.016
0
0.296
👆🏻
Clarity
-
TransparentRobert C. Kammerling
Physical
Neurological
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Cardiovascular
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Respiratory
Poor
Good
Reproductive
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Digestive
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Psychology
Vitality
Passion
Healing
Emotional healing
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Qualities Associated
Protection
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