Origin
Southern and central Africa
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Color
Greenish, Blue, Colorless, Green, Yellow
Brown
Streak
Greenish, gray
Brownish, Red, Black
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
3.17-3.245.2
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
(0001) indistinct
Good in one direction
Mohs Hardness
9-9.56-6.5
2
10
👆🏻
Chemical Composition
SiCArthur Thomas , Gemstones (2009)
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Adamantine
Resinous
Pleochroism
-
-
Dispersion
0.100.03
0.005
1
👆🏻
Transparency
-
TransparentWalter Schumann
Refractive Index
2.648-2.6912.190-2.457
1
3.25
👆🏻
Optic Character
-
-
Crystal System
6H polytype
Orthorhombic
Birefringence
0.0430.083
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentWalter Schumann
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Strength
Healing
-
Emotional healing
Qualities Associated
Creativity
Balance