Origin
Italy, Canada
Russia
Color
Blue, Red, Yellow, Colorless, Green, White
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
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.90-3.103.22-3.40
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Poor/indistinct on {1120} and {1011}
1,2 prismatic.
Mohs Hardness
75-6
2
10
👆🏻
Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
Pale green
Common trichroism: light green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.614-1.6661.668-1.703
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
monoclinic
Birefringence
0.014-0.0320.024-0.030
0
0.296
👆🏻
Clarity
Transparent
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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
Emotional healing
Renewal
Healing
Emotional healing
Physical healing
Qualities Associated
Emotional Healing
Love