Origin
Southern and central Africa
USA, San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California
Color
Blue
Violet, Blue, Colorless, pink, White
Streak
Blue
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
-
-
Solubility
-
Insoluble: HCl
Durability
-
-
Specific Gravity
3.253.61-3.68
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Imperfect in one direction
[10 1 1] poor
Mohs Hardness
5-5.56-6.5
2
10
👆🏻
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Trichroic
O = colorless; E = purple
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.607-1.6721.757-1.804
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.0650.047
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Transformation