Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
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Color
Brown
Yellow, Black
Streak
Brownish, Red, Black
Green
For which Rashi?
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-
Planet
-
-
Element of Planets
-
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Energy
-
-
How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
-
-
Birthstone
Planetary
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Talisman
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Tenacity
-
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Solubility
-
-
Durability
-
-
Specific Gravity
5.24.39
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven
Cleavage
Good in one direction
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
6-6.57.5-8
2
10
👆🏻
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Luster
Resinous
Vitreous
Pleochroism
-
-
Dispersion
0.030.03
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
Translucent
Refractive Index
2.190-2.4571.80-1.83
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
0.083-9999
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
Translucent
Physical
Neurological
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Strength
-
Healing
Emotional healing
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Qualities Associated
Balance
Balance