Origin
Australia
USA, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka
Color
Blue, Green, Greenish, Black
Colorless, Yellow, pink, Red
Streak
Grey, gray
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
4.00-4.622.90-2.98
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal, ConchoidalWalter Schumann
Cleavage
Indistinct parting on [111]
Distinct on {11 2 0}, imperfect on {10 1 1}
Mohs Hardness
7.5-87.5-8
2
10
👆🏻
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.790-1.8181.650-1.695
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
Trigonal
Birefringence
-99990.016
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
-
Supports heart health
Respiratory
Aids in digestion and soothes the stomach
Excellent
Reproductive
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-
Digestive
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Psychology
Protection
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Harmony
Spiritual Activation