Origin
Italy, Canada
China
Color
Blue, Red, Yellow, Colorless, Green, White
Green, Yellow, Colorless, Grey, Brown, White, Red
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
-
-
Durability
-
-
Specific Gravity
2.90-3.106.5-7.1
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven, Conchoidal
Cleavage
Poor/indistinct on {1120} and {1011}
Imperfect- [10 1 1]
Mohs Hardness
73.5-4
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
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Luster
Vitreous
Resinous, Subadamantine
Pleochroism
Pale green
Weak
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.614-1.6662.042-2.059
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Hexagonal
Birefringence
0.014-0.0320.010
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Emotional healing
Confidence
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Transformation