Origin
Sri Lanka
USA, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Colorless, Yellow, pink, Red
Streak
White, Brownish
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
Brittle
Solubility
insoluble
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Durability
-
-
Specific Gravity
6.86-7.032.90-2.98
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Conchoidal, ConchoidalWalter Schumann
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Distinct on {11 2 0}, imperfect on {10 1 1}
Mohs Hardness
6-77.5-8
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Adamantine, Greasy
Vitreous
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
Dispersion
0.070.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.990-2.1051.650-1.695
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Trigonal
Birefringence
0.096-0.0980.016
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
Supports heart health
Respiratory
Poor
Excellent
Reproductive
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Digestive
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Psychology
Focus
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Spiritual Activation