Origin
-
Canada, Russia, Brazil
Color
Blue, Green
Brown, Red, Yellow, Violet
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
-
H₂SO₄
Durability
-
-
Specific Gravity
3.80-4.152.74-3.00
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
perfect along [010] and [100]
Distinct on {0001} imperfect on {11 2 0}
Mohs Hardness
3.5-45-5.5
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Luster
Silky
Vitreous
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
Weak: O= colorless
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Translucent
Translucent
Refractive Index
1.752-1.8151.591-1.633
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.0630.003-0.010
0
0.296
👆🏻
Clarity
Translucent
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Self-Love