Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
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Color
Brown
Brown, Colorless, Brownish, Black, Green, Greenish
Streak
Brownish, Red, Black
White
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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Solubility
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Durability
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Specific Gravity
5.25.5-6.0
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Good in one direction
{001} Distinct
Mohs Hardness
6-6.56.5
2
10
👆🏻
Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
ZrO 2Arthur Thomas , Gemstones (2009)
Luster
Resinous
Adamantine
Pleochroism
-
DistinctArthur Thomas
Dispersion
0.030.04
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
Transparent
Refractive Index
2.190-2.4572.13-2.20
1
3.25
👆🏻
Optic Character
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Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c
Birefringence
0.0830.07
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
Transparent
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
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Healing
Emotional healing
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Qualities Associated
Balance
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