Origin
Southern and central Africa
Australia
Color
Blue
Blue, Green, Greenish, Black
Streak
Blue
Grey, gray
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.254.00-4.62
1
7.18
👆🏻
Fracture
-
Conchoidal, Uneven
Cleavage
Imperfect in one direction
Indistinct parting on [111]
Mohs Hardness
5-5.57.5-8
2
10
👆🏻
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous
Pleochroism
Trichroic
-
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.607-1.6721.790-1.818
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
cubic
Birefringence
0.065-9999
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Aids in digestion and soothes the stomach
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Harmony