Origin
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Southern and central Africa
Color
Black, Blue, Yellow, Green
Blue, Grey
Streak
Grey, Greenish, Brown
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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
Brittle
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Solubility
-
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Durability
-
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Specific Gravity
3.28-3.442.58-2.64
1
7.18
👆🏻
Fracture
Uneven, Splintery
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Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
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Mohs Hardness
5.0-6.07
2
10
👆🏻
Chemical Composition
Na2Fe2+3Fe3+2Si8O22(OH)2
SiO 2Walter Schumann , Gemstones of the world (2001)
Luster
Vitreous, Silky
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Pleochroism
X = blue
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Dispersion
0.020.05
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.680-1.6981.534-1.540
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
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Birefringence
0.005-0.008-9999
0
0.296
👆🏻
Clarity
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Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Supports heart health
Aids in digestion and soothes the stomach
Respiratory
Good
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Reproductive
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Digestive
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Psychology
Empowerment
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Clear Thinking
Protection