Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Southern and central Africa
Color
Green, Brown, Colorless, Greenish, Yellow
Blue, Green, Brown
Streak
White
White, Blue, Green
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
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-3.452.00-2.45
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Sub-Conchoidal, Conchoidal
Cleavage
Good on {110}
none
Mohs Hardness
6.52-4
2
10
👆🏻
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Cu2H2Si2O5(OH)4
Luster
Vitreous
Vitreous, Greasy
Pleochroism
X = colorless to green; Y = colorless
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Opaque
Refractive Index
1.660-1.6851.460-1.570
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.012-0.0170.023-0.050
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
-
Promotes calmness and emotional balance
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-worth
Communication