Origin
Southern and central Africa
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Color
Red, Brown, Black
Brown
Streak
Brownish, Red
Brownish, Red, Black
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.85-6.155.2
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
Fair in four directions forming octahedrons
Good in one direction
Mohs Hardness
3.5-46-6.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Adamantine
Resinous
Pleochroism
visible
-
Dispersion
0.050.03
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
TransparentWalter Schumann
Refractive Index
2.8492.190-2.457
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
Orthorhombic
Birefringence
-99990.083
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
TransparentWalter Schumann
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Poor
-
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Balance