Origin
-
Switzerland, Australia, Brazil
Color
Blue, Green
Yellow, Colorless, White, Brownish, Reddish
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
3.80-4.155.9-6.3
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven
Cleavage
perfect along [010] and [100]
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
3.5-44.5-5
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Silky
Vitreous, Adamantine
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
Definite dichoric in yellow (yellow to orange-brown)
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
Translucent
Translucent, Transparent
Refractive Index
1.752-1.8151.918-1.936
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.0630.016
0
0.296
👆🏻
Clarity
Translucent
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Awareness
Healing
Emotional healing
Physical healing
Qualities Associated
Communication
Balance & Clarity