Origin
Sri Lanka
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Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Black, Blue, Yellow, Green
Streak
White, Brownish
Grey, Greenish, Brown
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
Brittle
Solubility
insoluble
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Durability
-
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Specific Gravity
6.86-7.033.28-3.44
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven, Splintery
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
6-75.0-6.0
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na2Fe2+3Fe3+2Si8O22(OH)2
Luster
Adamantine, Greasy
Vitreous, Silky
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
X = blue
Dispersion
0.070.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
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Refractive Index
1.990-2.1051.680-1.698
1
3.25
👆🏻
Optic Character
-
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Crystal System
tetragonal
monoclinic
Birefringence
0.096-0.0980.005-0.008
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Poor
Good
Reproductive
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Digestive
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Psychology
Focus
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Clear Thinking