Origin
Canada, Southern and central Africa, Australia
Southern and central Africa
Color
Colorless, White, gray
Greenish, Blue, Colorless, Green, Yellow
Streak
White
Greenish, gray
For which Rashi?
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Planet
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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
2.72-2.753.17-3.24
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect on [001], good on [010], imperfect on [110]
(0001) indistinct
Mohs Hardness
6-6.59-9.5
2
10
👆🏻
Chemical Composition
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
SiCArthur Thomas , Gemstones (2009)
Luster
Vitreous, Pearly
Adamantine
Pleochroism
colorless.
-
Dispersion
0.010.10
0.005
1
👆🏻
Transparency
Transparent
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Refractive Index
1.561-1.5832.648-2.691
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
6H polytype
Birefringence
0.010-0.0110.043
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Cardiovascular
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Respiratory
Poor
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Reproductive
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Digestive
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Psychology
Clarity
Clarity
Healing
Emotional healing
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Qualities Associated
Clarity
Creativity