Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
-
Color
Green, Brown, Colorless, Greenish, Yellow
Yellow, Black
Streak
White
Green
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
3.25-3.454.39
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
Good on {110}
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
6.57.5-8
2
10
👆🏻
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
X = colorless to green; Y = colorless
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.660-1.6851.80-1.83
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
0.012-0.017-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
-
Healing
Emotional healing
-
Qualities Associated
Self-worth
Balance