Origin
Southern and central Africa
Russia
Color
Yellow, Blue, Black, Green, gray
Black, Violet, Blue, Green
Streak
White
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For which Rashi?
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Gemini, Virgo
Planet
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Mercury
Element of Planets
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Earth
Energy
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-
How to Wear?
Finger
-
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Ring Metal
-
-
Deities
-
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Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
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Talisman
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.43-3.443.22-3.40
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
None Observed
1,2 prismatic.
Mohs Hardness
6.5-75-6
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
visible
Common trichroism: light green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.696-1.7021.668-1.703
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
monoclinic
Birefringence
0.0050.024-0.030
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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Supports heart health
Respiratory
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Good
Reproductive
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Digestive
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Psychology
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Renewal
Healing
Emotional healing
Physical healing
Qualities Associated
Transformation
Love