Origin
-
China, Kenya, Russia, Sri Lanka, Zambia
Color
Blue, Green
Red, pink, Black, orange
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
-
insoluble in water
Durability
-
-
Specific Gravity
3.80-4.153.62-3.87
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
perfect along [010] and [100]
None
Mohs Hardness
3.5-47-7.5
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Silky
Greasy, Vitreous
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
None
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.752-1.8151.720-1.756
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
0.063-9999
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Energy