Origin
-
Southern and central Africa
Color
Blue, Green
Brown
Streak
Blue
-
For which Rashi?
-
Aries, Capricorn
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Black Madonna, Isis, Horus
Not to wear with
-
-
Powers
-
Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.80-4.15-9999
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
perfect along [010] and [100]
None
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
-
Luster
Silky
-
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.752-1.815-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.063-9999
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
-
Assists in emotional healing and protection
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Grief Relief
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Grief Relief