Origin
Southern and central Africa
Southern and central Africa
Color
Yellow, Blue, Black, Green, gray
Colorless, Greenish, Green, gray, Yellow
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
3.43-3.443.21-3.38
1
7.18
👆🏻
Fracture
-
Irregular/uneven, Uneven
Cleavage
None Observed
Perfect on {001}
Mohs Hardness
6.5-76-7
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous
Pleochroism
visible
StrongArthur Thomas
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.696-1.7021.670-1.734
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
monoclinic
Birefringence
0.0050.006-0.011
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Empathy
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Empathy