Origin
-
Southern and central Africa
Color
Blue, Green
Blue, Green, Brown
Streak
Blue
White, Blue, Green
For which Rashi?
-
Taurus
Planet
-
Venus
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Venus
Not to wear with
-
-
Powers
-
Love
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.80-4.152.00-2.45
1
7.18
👆🏻
Fracture
Uneven
Sub-Conchoidal, Conchoidal
Cleavage
perfect along [010] and [100]
none
Mohs Hardness
3.5-42-4
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cu2H2Si2O5(OH)4
Luster
Silky
Vitreous, Greasy
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Translucent
Opaque
Refractive Index
1.752-1.8151.460-1.570
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.0630.023-0.050
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
-
Promotes calmness and emotional balance
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Communication