Origin
Southern and central Africa
Sri Lanka
Color
Yellow, Blue, Black, Green, gray
Blue
Streak
White
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For which Rashi?
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-
Planet
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-
Element of Planets
-
-
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
-
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Solubility
-
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Durability
-
-
Specific Gravity
3.43-3.443.91-4.73
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
None Observed
None
Mohs Hardness
6.5-76.5-7.5
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
-
Pleochroism
visible
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.696-1.7021.790-2.015
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
-
Birefringence
0.0050.005-0.055
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
-
Hope
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Hope