Origin
-
Southern and central Africa
Color
Blue, Green
Red, Blue, Green, Reddish, Brown
Streak
Blue
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.80-4.153.79-3.94
1
7.18
👆🏻
Fracture
Uneven
Lamellar, Splintery
Cleavage
perfect along [010] and [100]
{100} Good, {001} Good, {010} Poor
Mohs Hardness
3.5-44
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
FeAs
Luster
Silky
Waxy
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Translucent
TranslucentAnthony et al
Refractive Index
1.752-1.8151.670-1.734
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.063-9999
0
0.296
👆🏻
Clarity
Translucent
TranslucentAnthony et al
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Communication
-
Healing
Emotional healing
-
Qualities Associated
Communication
Emotional Healing