Origin
-
Brazil
Color
Blue, Green
White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray
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
-
-
Durability
-
-
Specific Gravity
3.80-4.152.65-2.90
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
perfect along [010] and [100]
{001} Perfect
Mohs Hardness
3.5-4-9999
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Silky
Pearly
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
-
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Translucent
Translucent
Refractive Index
1.752-1.8151.534-1.601
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.0630.050
0
0.296
👆🏻
Clarity
Translucent
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Communication
-
Healing
Emotional healing
-
Qualities Associated
Communication
Emotional Healing