Origin
Southern and central Africa
Southern and central Africa
Color
Blue
Colorless, Blue, Brown, Green, gray
Streak
Blue
White
For which Rashi?
-
Gemini
Planet
-
Venus, Neptune
Element of Planets
-
Water, Air
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.253.90-4.00
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Imperfect in one direction
Perfect on {001}, good on {210}, poor on {010}
Mohs Hardness
5-5.53-3.5
2
10
👆🏻
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Trichroic
Weakly trichroiC
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.607-1.6721.619-1.635
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.0650.004-0.012
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Divine Guidance