Origin
Canada, Southern and central Africa, Australia
Brazil
Color
Colorless, White, gray
Blue
Streak
White
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For which Rashi?
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Planet
-
-
Element of Planets
-
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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
Brittle
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Solubility
-
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Durability
-
-
Specific Gravity
2.72-2.752.60-2.90
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect on [001], good on [010], imperfect on [110]
Indistinct
Mohs Hardness
6-6.57.5-8
2
10
👆🏻
Chemical Composition
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
Luster
Vitreous, Pearly
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Pleochroism
colorless.
Strong dichroism: blue to colourless\
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.561-1.5831.560-1.604
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
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Birefringence
0.010-0.0110.003-0.010
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Respiratory
Poor
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Reproductive
-
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Digestive
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Psychology
Clarity
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Communication