Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Southern and central Africa
Color
Brown
Green
Streak
Brownish, Red, Black
Green
For which Rashi?
-
Capricorn, Scorpio
Planet
-
Venus
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Freyja
Not to wear with
-
-
Powers
-
Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.23.25-4.10
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal, Uneven
Cleavage
Good in one direction
Perfect on { 2 01} fair on {010}
Mohs Hardness
6-6.53.5-4
2
10
👆🏻
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Cu2CO3(OH)2
Luster
Resinous
Adamantine, Vitreous, Silky
Pleochroism
-
-
Dispersion
0.030.04
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
Opaque
Refractive Index
2.190-2.4571.655-1.909
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.0830.254
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Strength
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Transformation