Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Southern and central Africa
Color
Brown
Colorless, Blue, Brown, Green, gray
Streak
Brownish, Red, Black
White
For which Rashi?
-
Gemini
Planet
-
Venus, Neptune
Element of Planets
-
Water, Air
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.23.90-4.00
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Good in one direction
Perfect on {001}, good on {210}, poor on {010}
Mohs Hardness
6-6.53-3.5
2
10
👆🏻
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Resinous
Vitreous, Pearly
Pleochroism
-
Weakly trichroiC
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
-
Refractive Index
2.190-2.4571.619-1.635
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0830.004-0.012
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
-
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Strength
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Divine Guidance