Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Canada, Southern and central Africa
Color
Brown
Colorless, White, gray, pink, Green
Streak
Brownish, Red, Black
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
5.22.74-2.90
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven, Splintery
Cleavage
Good in one direction
Perfect on {100} and {001}
Mohs Hardness
6-6.54.5-5
2
10
👆🏻
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Luster
Resinous
Silky
Pleochroism
-
-
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
Transparent
Refractive Index
2.190-2.4571.595-1.645
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Triclinic
Birefringence
0.0830.028-0.038
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Strength
Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Healing