Origin
Italy, Canada
Brazil
Color
Blue, Red, Yellow, Colorless, Green, White
Yellow, Brown, Black, Colorless, White, Brownish
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
-
Brittle
Solubility
-
Effervesces in hot HCl
Durability
-
-
Specific Gravity
2.90-3.102.92-3.12
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Poor/indistinct on {1120} and {1011}
[10 1 1] perfect
Mohs Hardness
73.5-4.5
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
MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Pale green
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.614-1.6661.509-1.720
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Trigonal
Birefringence
0.014-0.0320.191
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Emotional healing
Calming
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Relaxation