Origin
Southern and central Africa
Tanzania
Color
Yellow, Blue, Black, Green, gray
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
3.43-3.443.35
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal
Cleavage
None Observed
Perfect {010}, imperfect {100}
Mohs Hardness
6.5-76.5-7
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca2Al3(SiO4)3(OH)
Luster
Vitreous
Vitreous
Pleochroism
visible
Present
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Transparent to translucent
Refractive Index
1.696-1.7021.685-1.707
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
Orthorhombic
Birefringence
0.0050.006-0.018
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
-
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
-
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Communication