Origin
-
-
Color
Blue, Green
Brown, Yellow, White, Greenish
Streak
Blue
White, gray
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.80-4.152.7-3.3
1
7.18
👆🏻
Fracture
Uneven
Uneven, Even
Cleavage
perfect along [010] and [100]
Perfect on the {001}
Mohs Hardness
3.5-42.5-3.0
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
K(Mg,Fe++)3[AlSi3O10(OH,F)2
Luster
Silky
Vitreous, Pearly
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
Strong
Dispersion
0.02-
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.752-1.8151.565-1.625
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.0630.03-0.07
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Grounding
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Grounding