Origin
Southern and central Africa
USA
Color
Blue, Grey
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Streak
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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
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Solubility
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Durability
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Specific Gravity
2.58-2.643.32-3.47
1
7.18
👆🏻
Fracture
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Cleavage
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None
Mohs Hardness
7-9999
2
10
👆🏻
Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
Luster
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Vitreous
Pleochroism
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Weak; present colour lighter and darker
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
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TranslucentWalter Schumann
Refractive Index
1.534-1.5401.700-1.725
1
3.25
👆🏻
Optic Character
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Crystal System
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Birefringence
-99990.001-0.012
0
0.296
👆🏻
Clarity
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TranslucentWalter Schumann
Physical
Neurological
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Cardiovascular
Aids in digestion and soothes the stomach
Promotes peace and tranquility
Respiratory
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Excellent
Reproductive
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Digestive
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Psychology
Protection
Optimism
Healing
Emotional healing
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Qualities Associated
Protection
Creativity