Origin
Canada, Russia
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
Color
Black, Green, gray
Violet, Blue
Streak
gray, Green
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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
3.3-3.52.56-2.66
1
7.18
👆🏻
Fracture
Uneven
Uneven, ConchoidalWalter Schumann
Cleavage
Perfect on [110]
Distinct
Mohs Hardness
5-67-7.5
2
10
👆🏻
Chemical Composition
NaNa2(Fe++4Fe+++)Si8O22(OH)2
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous
Pleochroism
Strong: Blue-greens
Strong trichroism: colorless to yellowish
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.652-1.6991.542-1.578
1
3.25
👆🏻
Optic Character
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Biaxial/+
Crystal System
monoclinic
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Birefringence
-99990.008-0.012
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Promotes psychic abilities and spiritual growth
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Cardiovascular
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Respiratory
Excellent
Good
Reproductive
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Digestive
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Psychology
Insight
Inner vision
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Intuition