Origin
Italy, Canada
Canada
Color
Blue, Red, Yellow, Colorless, Green, White
Yellow, Brown, Red, White, Green, Reddish, Black
Streak
White
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.90-3.103.89-4.18
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal, Uneven
Cleavage
Poor/indistinct on {1120} and {1011}
{0001}, {11 2 0} imperfect
Mohs Hardness
75.5
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
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Resinous
Pleochroism
Pale green
-
Dispersion
0.020.17
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.614-1.6661.687-1.723
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Trigonal
Birefringence
0.014-0.0320.028-0.030
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Emotional healing
Optimism
Healing
Emotional healing
-
Qualities Associated
Emotional Healing
Transformation