Origin
USA
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Color
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Blue, gray, Black
Streak
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Blue
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
3.32-3.473-3.15
1
7.18
👆🏻
Fracture
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Conchoidal
Cleavage
None
Good on [110] and on [001]
Mohs Hardness
-99996.0-6.5
2
10
👆🏻
Chemical Composition
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
[ ]Na2(Mg3Al2)Si8O22(OH)2
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Weak; present colour lighter and darker
Strong
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
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Refractive Index
1.700-1.7251.606-1.637
1
3.25
👆🏻
Optic Character
-
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Crystal System
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monoclinic
Birefringence
0.001-0.012-9999
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
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Physical
Neurological
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Cardiovascular
Promotes peace and tranquility
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Respiratory
Excellent
Good
Reproductive
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Digestive
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Psychology
Optimism
Communication
Healing
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Emotional healing
Qualities Associated
Creativity
Peace