Origin
Southern and central Africa
Southern and central Africa
Color
Greenish, Blue, Colorless, Green, Yellow
Black, Brownish, Brown
Streak
Greenish, gray
Brown
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.17-3.244.5-4.8
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
(0001) indistinct
None, parting may develop along {111}
Mohs Hardness
9-9.55.5
2
10
👆🏻
Chemical Composition
SiCArthur Thomas , Gemstones (2009)
Fe++Cr2O4
Luster
Adamantine
-
Pleochroism
-
none.
Dispersion
0.100.04
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.648-2.6912.08-2.16
1
3.25
👆🏻
Optic Character
-
-
Crystal System
6H polytype
Isometric
Birefringence
0.043-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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Cardiovascular
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Respiratory
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Poor
Reproductive
-
-
Digestive
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-
Psychology
Clarity
Vitality
Healing
-
Emotional healing
Qualities Associated
Creativity
Protection