Origin
USA
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Color
Colorless, White, Green, Brown
Blue, Green
Streak
White
Blue
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
Brittle
-
Solubility
Easily soluble in cold dilute HCl
-
Durability
-
-
Specific Gravity
4.123.80-4.15
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
Good in two directions parallel to the prism faces {110}
perfect along [010] and [100]
Mohs Hardness
4-4.53.5-4
2
10
👆🏻
Chemical Composition
CaZn(AsO4)(OH)
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Subadamantine, Silky
Silky
Pleochroism
-
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.7591.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0240.063
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Compassion
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Communication