Origin
Southern and central Africa
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Color
Black, Brownish, Brown
Brown, Colorless, Brownish, Black, Green, Greenish
Streak
Brown
White
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
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Solubility
-
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Durability
-
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Specific Gravity
4.5-4.85.5-6.0
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None, parting may develop along {111}
{001} Distinct
Mohs Hardness
5.56.5
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
ZrO 2Arthur Thomas , Gemstones (2009)
Luster
-
Adamantine
Pleochroism
none.
DistinctArthur Thomas
Dispersion
0.040.04
0.005
1
👆🏻
Transparency
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Transparent
Refractive Index
2.08-2.162.13-2.20
1
3.25
👆🏻
Optic Character
-
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Crystal System
Isometric
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c
Birefringence
-99990.07
0
0.296
👆🏻
Clarity
-
Transparent
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
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Healing
Emotional healing
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Qualities Associated
Protection
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