Origin
-
-
Color
Black, Green, Brown, Red, Greenish, Yellow, orange
Blue, Green
Streak
Yellow, Green, Greenish
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
4.483.80-4.15
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
distinct; good on {0001}
perfect along [010] and [100]
Mohs Hardness
3.5-4.53.5-4
2
10
👆🏻
Chemical Composition
PbFe+++3(AsO4)(SO4)(OH)6
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Resinous
Silky
Pleochroism
visible
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.9571.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
0.0140.063
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Prosperity
Communication