Origin
-
Canada, Southern and central Africa
Color
Blue, Green
Violet, Colorless, pink
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.80-4.152.51-2.53
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Splintery
Cleavage
perfect along [010] and [100]
None
Mohs Hardness
3.5-45
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Silky
Vitreous
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
Colorless
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.752-1.8151.511-1.532
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.0630.021
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
-
Healing
Emotional healing
-
Qualities Associated
Communication
Love