Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Russia
Color
Green, Brown, Colorless, Greenish, Yellow
Black, Violet, Blue, Green
Streak
White
-
For which Rashi?
-
Gemini, Virgo
Planet
-
Mercury
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-3.453.22-3.40
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
Good on {110}
1,2 prismatic.
Mohs Hardness
6.55-6
2
10
👆🏻
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
X = colorless to green; Y = colorless
Common trichroism: light green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.660-1.6851.668-1.703
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.012-0.0170.024-0.030
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Renewal
Healing
Emotional healing
Physical healing
Qualities Associated
Self-worth
Love