Origin
China, Canada
-
Color
Green, Yellow, Brown, White, gray, Black
Blue, Green
Streak
-
Blue
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
2.90-3.103.80-4.15
1
7.18
👆🏻
Fracture
Splintery, Granular
Uneven
Cleavage
None
perfect along [010] and [100]
Mohs Hardness
6-6.53.5-4
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
Silky
Pleochroism
None
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent
Translucent
Refractive Index
1.600-1.6271.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.0270.063
0
0.296
👆🏻
Clarity
Translucent
Translucent
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Balance
Communication
Healing
Physical healing
Emotional healing
Qualities Associated
Healing
Communication