Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Australia
Color
Brown
Red
Streak
Brownish, Red, Black
White, Colorless
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
5.23.1
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven, Conchoidal
Cleavage
Good in one direction
Perfect {010} imperfect {100}
Mohs Hardness
6-6.56-7
2
10
👆🏻
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Ca2Al3(SiO4)3(OH)
Luster
Resinous
Vitreous
Pleochroism
-
Present
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
Refractive Index
2.190-2.4571.695
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0830.006-0.018
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
OpaqueHerve Nicolas Lazzarelli
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Strength
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Love