Origin
Sri Lanka
China, Kenya, Russia, Sri Lanka, Zambia
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Red, pink, Black, orange
Streak
White, Brownish
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
insoluble
insoluble in water
Durability
-
-
Specific Gravity
6.86-7.033.62-3.87
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Conchoidal
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
None
Mohs Hardness
6-77-7.5
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Adamantine, Greasy
Greasy, Vitreous
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
None
Dispersion
0.070.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.990-2.1051.720-1.756
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
cubic
Birefringence
0.096-0.098-9999
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
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Focus
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Energy