Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
India, Italy
Color
Brown
White, Reddish
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.22.08-2.16
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Irregular/uneven
Cleavage
Good in one direction
distinct/good on {1011}
Mohs Hardness
6-6.54.5
2
10
👆🏻
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)
Luster
Resinous
Vitreous
Pleochroism
-
-
Dispersion
0.030.05
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
Transparent
Refractive Index
2.190-2.4571.478-1.490
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.0830.005-0.008
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
Transparent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Strength
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Optimism