Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
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Color
Brown
Yellow, Green, Black
Streak
Brownish, Red, Black
Yellow, Green, Black, Greenish
For which Rashi?
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Planet
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Element of Planets
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Energy
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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
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Birthstone
Planetary
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Talisman
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Tenacity
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Brittle
Solubility
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Soluble
Durability
-
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Specific Gravity
5.24.1-4.3
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven
Cleavage
Good in one direction
Indistinct on {011}
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
CuFeS 2Anthony et al , Handbook of mineralogy (2001)
Luster
Resinous
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Pleochroism
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Dispersion
0.030.07
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
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Refractive Index
2.190-2.457-9999
1
3.25
👆🏻
Optic Character
-
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Crystal System
Orthorhombic
tetragonal
Birefringence
0.083-9999
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
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Physical
Neurological
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Cardiovascular
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Supports heart health
Respiratory
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Good
Reproductive
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Digestive
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Psychology
Strength
Positivity
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Abundance