Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Brown
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Streak
Brownish, Red, Black
White
For which Rashi?
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-
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
5.22.57-2.66
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Subconchoidal, Conchoidal
Cleavage
Good in one direction
Fair on {100}, poor on {001} and {010}
Mohs Hardness
6-6.57-7.5
2
10
👆🏻
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Mg2Al4Si5O18
Luster
Resinous
Greasy, Vitreous
Pleochroism
-
X = pale yellow
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
-
Refractive Index
2.190-2.457-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.083-9999
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
-
Physical
Neurological
-
Supports healthy digestion
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Strength
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Psychic Abilities