Origin
Austria, Spain, Russia, Canada, Australia
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Color
Colorless, Brownish, Yellow, Green, gray, White
Green, Brown, Colorless, Greenish, Yellow
Streak
White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.7-3.93.25-3.45
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}
Good on {110}
Mohs Hardness
5.5-66.5
2
10
👆🏻
Chemical Composition
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
X = colorless to green; Y = colorless
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
-
Refractive Index
1.735-1.7381.660-1.685
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.012-0.017
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
-
Harmony
Healing
-
Emotional healing
Qualities Associated
-
Self-worth