Origin
Australia
Canada, Southern and central Africa, Australia
Color
Blue, Green, Greenish, Black
Colorless, White, gray
Streak
Grey, gray
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
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
4.00-4.622.72-2.75
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
Indistinct parting on [111]
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
7.5-86-6.5
2
10
👆🏻
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous, Pearly
Pleochroism
-
colorless.
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.790-1.8181.561-1.583
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
Triclinic
Birefringence
-99990.010-0.011
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
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-
Respiratory
Aids in digestion and soothes the stomach
Poor
Reproductive
-
-
Digestive
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-
Psychology
Protection
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Harmony
Clarity