Origin
Sri Lanka
Canada, USA, Tanzania, Norway
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Red, Yellow, Brown, pink, Green
Streak
White, Brownish
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For which Rashi?
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Leo
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
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Solubility
insoluble
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Durability
-
-
Specific Gravity
6.86-7.032.62-2.65
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
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Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
001
Mohs Hardness
6-76
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
Luster
Adamantine, Greasy
Vitreous
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Weak or absentWalter Schumann
Dispersion
0.070.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.990-2.1051.53-1.55
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Triclinic
Birefringence
0.096-0.0980.007-0.010
0
0.296
👆🏻
Clarity
Transparent
Transparent to translucent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
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Respiratory
Poor
Good
Reproductive
-
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Digestive
-
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Psychology
Focus
Empowerment
Healing
Emotional healing
Physical healing
Qualities Associated
Manifestation
Joy