Origin
Sri Lanka
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Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Brownish, Black
Streak
White, Brownish
Brown
For which Rashi?
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Planet
-
-
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
insoluble
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Durability
-
-
Specific Gravity
6.86-7.033.26
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
None
Mohs Hardness
6-7-9999
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Luster
Adamantine, Greasy
Resinous
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Strong: yellow-brown
Dispersion
0.070.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.990-2.105-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
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Birefringence
0.096-0.098-9999
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Supports heart health
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Respiratory
Poor
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Reproductive
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Digestive
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Psychology
Focus
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Healing
Emotional healing
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Qualities Associated
Manifestation
Protection