Origin
Afghanistan, Southern and central Africa
Southern and central Africa
Color
Blue, Greenish, Violet
Brown, Reddish, pink, orange
Streak
Blue, White
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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
Soluble
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Durability
-
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Specific Gravity
2.753.82-4.00
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
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Cleavage
Imperfect on {110}
{???} Indistinct
Mohs Hardness
5.55.5
2
10
👆🏻
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous
Pleochroism
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Dispersion
0.020.01
0.005
1
👆🏻
Transparency
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TransparentAnthony et al
Refractive Index
1.5001.763-1.793
1
3.25
👆🏻
Optic Character
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Crystal System
Isometric
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Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
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TransparentAnthony et al
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
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Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Communication
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Healing
Emotional healing
Physical healing
Qualities Associated
Clarity
Harmony