1 Astrology
1.2 Origin
USA, Southern and central Africa
Southern and central Africa
1.4 Color
Yellow, Brown, Reddish, Greenish, Green, gray
Not Available
1.6 Streak
1.8 For which Rashi?
1.10 Planet
1.11 Element of Planets
1.12 How to Wear?
1.12.1 Finger
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2.0.2 Ring Metal
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2.2 Energy
2.4 Deities
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2.5 Not to wear with
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2.7 Powers
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2.8 Birthstone
2.8.1 Planetary
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2.9.1 Talisman
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3 Physical Properties
3.1 Tenacity
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3.2 Solubility
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3.3 Durability
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3.4 Specific Gravity
3.8 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
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3.9 Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct
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3.10 Mohs Hardness
4.4 Chemical Composition
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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5 Optical Properties
5.1 Luster
5.2 Pleochroism
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5.3 Dispersion
5.6 Transparency
5.7 Refractive Index
1.993-2.02Not Available
1
3.25
5.11 Optic Character
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5.12 Crystal System
5.13 Birefringence
Not AvailableNot Available
0
0.296
6.5 Clarity
7 Benefits
7.1 Physical
7.1.1 Neurological
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7.1.2 Cardiovascular
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7.1.3 Respiratory
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7.1.4 Reproductive
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7.1.5 Digestive
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7.2 Psychology
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7.3 Healing
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7.4 Qualities Associated
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