1 Astrology
1.1 Origin
Southern and central Africa
Brazil, Mozambique
1.2 Color
Red, Blue, Green, Reddish, Brown
Scarlet, Red
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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1.8 Energy
Not Available
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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
Not Available
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2.4 Specific Gravity
3.79-3.94Not Available
1
7.18
2.5 Fracture
Lamellar, Splintery
ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
{100} Good, {001} Good, {010} Poor
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Sometimes strongArthur Thomas
3.3 Dispersion
3.4 Transparency
TranslucentAnthony et al, Handbook of mineralogy (2001)
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
3.5 Refractive Index
1.670-1.7342.19-2.34
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Not Available
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3.8 Birefringence
Not Available0.015
0
0.296
3.9 Clarity
TranslucentAnthony et al
TransparentWalter Schumann
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
Not Available
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