Origin
Southern and central Africa
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Color
Brownish, Red, orange
Black, Blue, Yellow, Green
Streak
White
Grey, Greenish, Brown
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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Durability
-
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Specific Gravity
4.00-4.033.28-3.44
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Splintery
Cleavage
Distinct
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
7.5-85.0-6.0
2
10
👆🏻
Chemical Composition
CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na2Fe2+3Fe3+2Si8O22(OH)2
Luster
-
Vitreous, Silky
Pleochroism
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
X = blue
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
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Refractive Index
1.787-1.8161.680-1.698
1
3.25
👆🏻
Optic Character
-
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Crystal System
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monoclinic
Birefringence
0.0290.005-0.008
0
0.296
👆🏻
Clarity
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Physical
Neurological
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Enhances mental clarity and focus
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
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Empowerment
Healing
Physical healing
Emotional healing
Qualities Associated
Transformation
Clear Thinking