Origin
Sri Lanka
Turkey, Russia, Canada
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Reddish, Brown
Streak
White, Brownish
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
6.86-7.034.95-5.0
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Imperfect to indistinct on {10 1 0}, parting on {0001}
Mohs Hardness
6-74-5
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Adamantine, Greasy
Vitreous, Greasy, Pearly
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Faint
Dispersion
0.070.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.990-2.1051.717-1.722
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Hexagonal
Birefringence
0.096-0.0980.100
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Supports heart health
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Respiratory
Poor
Good
Reproductive
-
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Digestive
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Psychology
Focus
Creativity
Healing
Emotional healing
Physical healing
Qualities Associated
Manifestation
Creativity