Origin
Canada, Russia
Canada, Brazil, Kenya, Tanzania, Madagascar, Burma, Afghanistan
Color
Black, Green, gray
Violet, White, gray, Brown, pink, Yellow
Streak
gray, Green
White
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
-
-
Specific Gravity
3.3-3.52.58-2.74
1
7.18
👆🏻
Fracture
Uneven
ConchoidalWalter Schumann, Splintery
Cleavage
Perfect on [110]
{100} Distinct, {110} Distinct
Mohs Hardness
5-65.5-6
2
10
👆🏻
Chemical Composition
NaNa2(Fe++4Fe+++)Si8O22(OH)2
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
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Pleochroism
Strong: Blue-greens
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Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.652-1.6991.540-1.579
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
-99990.006-0.037
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Promotes psychic abilities and spiritual growth
Enhances mental clarity and focus
Cardiovascular
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Respiratory
Excellent
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Reproductive
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Digestive
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Psychology
Insight
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Problem Solving & Creativity