Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Mexico
Color
Brown
Blue, Black
Streak
Brownish, Red, Black
Grey, Black, gray
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Flexible
Solubility
-
-
Durability
-
-
Specific Gravity
5.24.6-4.76
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
-
Cleavage
Good in one direction
Perfect on {0001}
Mohs Hardness
6-6.5-9999
2
10
👆🏻
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Resinous
Resinous
Pleochroism
-
Marked
Dispersion
0.030.08
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
OpaqueAnthony et al
Refractive Index
2.190-2.4571.45-2.62
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.083-9999
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
OpaqueAnthony et al
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Strength
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Manifestation