Origin
Sri Lanka
Southern and central Africa
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Yellow, Blue, Black, Green, gray
Streak
White, Brownish
White
For which Rashi?
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-
Planet
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-
Element of Planets
-
-
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
-
-
Birthstone
Planetary
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Talisman
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-
Tenacity
Brittle
-
Solubility
insoluble
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Durability
-
-
Specific Gravity
6.86-7.033.43-3.44
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
-
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
None Observed
Mohs Hardness
6-76.5-7
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Adamantine, Greasy
Vitreous
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
visible
Dispersion
0.070.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.990-2.1051.696-1.702
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Triclinic
Birefringence
0.096-0.0980.005
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
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Reproductive
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Digestive
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Psychology
Focus
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Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Transformation