Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
USA, Southern and central Africa
Color
Green, Brown, Colorless, Greenish, Yellow
Brown, Green, White, gray, Blue, 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
3.25-3.454.00-4.65
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Sub-Conchoidal
Cleavage
Good on {110}
Perfect on [1011]
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
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
X = colorless to green; Y = colorless
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.660-1.6851.620-1.850
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.012-0.0170.223-0.227
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-worth
Harmony