Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Australia
Color
Green, Brown, Colorless, Greenish, Yellow
Brown, Reddish, Brownish, Yellow
Streak
White
Brown, Brownish, Yellow
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
-
HCl soluble
Durability
-
-
Specific Gravity
3.25-3.454.27-4.29
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
Good on {110}
Perfect {010}
Mohs Hardness
6.55-5.5
2
10
👆🏻
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
FeO(OH)Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Adamantine
Pleochroism
X = colorless to green; Y = colorless
VisibleArthur Thomas
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.660-1.6852.26-2.398
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.012-0.0170.138
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-worth
Emotional Healing