Origin
USA
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Color
Colorless, White, Green, Brown
Brown
Streak
White
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
Brittle
-
Solubility
Easily soluble in cold dilute HCl
-
Durability
-
-
Specific Gravity
4.125.2
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Conchoidal
Cleavage
Good in two directions parallel to the prism faces {110}
Good in one direction
Mohs Hardness
4-4.56-6.5
2
10
👆🏻
Chemical Composition
CaZn(AsO4)(OH)
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Subadamantine, Silky
Resinous
Pleochroism
-
-
Dispersion
0.030.03
0.005
1
👆🏻
Transparency
-
TransparentWalter Schumann
Refractive Index
1.7592.190-2.457
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0240.083
0
0.296
👆🏻
Clarity
-
TransparentWalter Schumann
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Compassion
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Balance