1 Astrology
1.1 Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Southern and central Africa
1.2 Color
Brown
Colorless, White, Brown, Green, Greenish, gray
1.3 Streak
Brownish, Red, Black
White
1.4 For which Rashi?
Not Available
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1.5 Planet
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
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1.8 Energy
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
2.6 Cleavage
Good in one direction
{110} Good
2.7 Mohs Hardness
2.8 Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
Resinous
Vitreous, Greasy
3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent
3.5 Refractive Index
2.190-2.4571.517-1.667
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Orthorhombic
Not Available
3.8 Birefringence
0.083Not Available
0
0.296
3.9 Clarity
TransparentWalter Schumann
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
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4.1.5 Digestive
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4.2 Psychology
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4.3 Healing
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4.4 Qualities Associated
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