Origin
-
Southern and central Africa
Color
Blue, Green
Red, Brown, Black
Streak
Blue
Brownish, Red
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
3.80-4.155.85-6.15
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
perfect along [010] and [100]
Fair in four directions forming octahedrons
Mohs Hardness
3.5-43.5-4
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Silky
Adamantine
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
visible
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Translucent
TranslucentWalter Schumann
Refractive Index
1.752-1.8152.849
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
0.063-9999
0
0.296
👆🏻
Clarity
Translucent
TranslucentWalter Schumann
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Vitality