Origin
-
Czech
Color
Blue, Green
Brownish, Black, Colorless, White, gray, Blue, Green
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
Durability
-
-
Specific Gravity
3.80-4.156.46-6.57
1
7.18
👆🏻
Fracture
Uneven
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
perfect along [010] and [100]
Good [110] and [021]
Mohs Hardness
3.5-43-3.5
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Silky
Adamantine, Vitreous, Resinous
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
-
Dispersion
0.020.06
0.005
1
👆🏻
Transparency
Translucent
Transparent, Translucent
Refractive Index
1.752-1.8151.803-2.078
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0630.273
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Clarity