Origin
Italy, Canada
Tanzania
Color
Blue, Red, Yellow, Colorless, Green, White
Blue
Streak
White
White, Colorless
For which Rashi?
-
Sagittarius, Pisces, Virgo
Planet
-
-
Element of Planets
-
Air, Water, Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Love, Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
Hard
Specific Gravity
2.90-3.103.35
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven, Conchoidal
Cleavage
Poor/indistinct on {1120} and {1011}
Perfect {010}, imperfect {100}
Mohs Hardness
76.5-7
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
Ca2Al3(SiO4)3(OH)
Luster
Vitreous
Vitreous
Pleochroism
Pale green
Present
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.614-1.6661.685-1.707
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
0.014-0.0320.006-0.018
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
-
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Emotional healing
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Communication