Origin
-
Austria
Color
Blue, Green
Red, Yellow, Brown, orange, gray, Green
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.80-4.156.50-7.00
1
7.18
👆🏻
Fracture
Uneven
Irregular, Conchoidal
Cleavage
perfect along [010] and [100]
On {011}, distinct; on {001}, {013}, indistinct
Mohs Hardness
3.5-43
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbMoO 4Walter Schumann , Gemstones of the world (2001)
Luster
Silky
Adamantine, Resinous
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
Weak
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Translucent
Transparent
Refractive Index
1.752-1.8152.280-2.405
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.0630.122
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Confidence
Healing
Emotional healing
Physical healing
Qualities Associated
Communication
Confidence