Origin
Australia
Italy, Canada
Color
Blue, Green, Greenish, Black
Blue, Red, Yellow, Colorless, Green, White
Streak
Grey, gray
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
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
-
-
Birthstone
Planetary
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Talisman
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.00-4.622.90-3.10
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Conchoidal
Cleavage
Indistinct parting on [111]
Poor/indistinct on {1120} and {1011}
Mohs Hardness
7.5-87
2
10
👆🏻
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
Pale green
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.790-1.8181.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
Trigonal
Birefringence
-99990.014-0.032
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
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Reproductive
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Digestive
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Psychology
Protection
Emotional healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Harmony
Emotional Healing