Origin
Southern and central Africa
Canada, Southern and central Africa, Australia
Color
Greenish, Blue, Colorless, Green, Yellow
Colorless, White, gray
Streak
Greenish, gray
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
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-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.17-3.242.72-2.75
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
(0001) indistinct
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
9-9.56-6.5
2
10
👆🏻
Chemical Composition
SiCArthur Thomas , Gemstones (2009)
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Adamantine
Vitreous, Pearly
Pleochroism
-
colorless.
Dispersion
0.100.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
2.648-2.6911.561-1.583
1
3.25
👆🏻
Optic Character
-
-
Crystal System
6H polytype
Triclinic
Birefringence
0.0430.010-0.011
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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Poor
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Clarity
Healing
-
Emotional healing
Qualities Associated
Creativity
Clarity