Origin
Southern and central Africa
Southern and central Africa
Color
Blue, Green, Brown
Colorless, Greenish, Green, gray, Yellow
Streak
White, Blue, Green
White
For which Rashi?
Taurus
-
Planet
Venus
-
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Venus
-
Not to wear with
-
-
Powers
Love
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.00-2.453.21-3.38
1
7.18
👆🏻
Fracture
Sub-Conchoidal, Conchoidal
Irregular/uneven, Uneven
Cleavage
none
Perfect on {001}
Mohs Hardness
2-46-7
2
10
👆🏻
Chemical Composition
Cu2H2Si2O5(OH)4
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Greasy
Vitreous
Pleochroism
-
StrongArthur Thomas
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Opaque
Transparent
Refractive Index
1.460-1.5701.670-1.734
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.023-0.0500.006-0.011
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Promotes calmness and emotional balance
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Empathy
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Empathy