Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Australia, Spain, Brazil, Germany
Color
Brown
Green, Blue, Colorless
Streak
Brownish, Red, Black
White
For which Rashi?
-
Virgo
Planet
-
-
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.22.42-2.58
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal, Splintery, ConchoidalWalter Schumann
Cleavage
Good in one direction
[010] perfect
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
AlPO4 · 2(H2O)
Luster
Resinous
Vitreous, Waxy
Pleochroism
-
-
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
Translucent, Opaque . May be translucent when backlit on the edges.
Refractive Index
2.190-2.4571.560-1.594
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0830.031
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
Translucent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Strength
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Harmony