Origin
Italy, Canada
Turkey, Russia, Canada
Color
Blue, Red, Yellow, Colorless, Green, White
Reddish, Brown
Streak
White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
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
2.90-3.104.95-5.0
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
Poor/indistinct on {1120} and {1011}
Imperfect to indistinct on {10 1 0}, parting on {0001}
Mohs Hardness
74-5
2
10
👆🏻
Chemical Composition
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
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Greasy, Pearly
Pleochroism
Pale green
Faint
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.614-1.6661.717-1.722
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Hexagonal
Birefringence
0.014-0.0320.100
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Emotional healing
Creativity
Healing
Emotional healing
Physical healing
Qualities Associated
Emotional Healing
Creativity