Origin
Southern and central Africa
Sri Lanka
Color
Greenish, Blue, Colorless, Green, Yellow
Blue
Streak
Greenish, gray
-
For which Rashi?
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Sagittarius, Scorpio
Planet
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Pluto
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
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Hephaestus
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.17-3.243.65-4.55
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
(0001) indistinct
None, but may exhibit slight parting
Mohs Hardness
9-9.57.5-8
2
10
👆🏻
Chemical Composition
SiCArthur Thomas , Gemstones (2009)
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Luster
Adamantine
Vitreous
Pleochroism
-
-
Dispersion
0.100.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.648-2.6911.735-1.790
1
3.25
👆🏻
Optic Character
-
-
Crystal System
6H polytype
Isometric
Birefringence
0.043-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
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-
Respiratory
-
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Reproductive
-
-
Digestive
-
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Psychology
Clarity
Empowerment
Healing
-
-
Qualities Associated
Creativity
Transformation