Origin
Sri Lanka
Southern and central Africa
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Red, Yellow, Brownish, White, Reddish, Greenish, orange
Streak
White, Brownish
Grey, Yellow, gray
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
Brittle
Solubility
insoluble
Soluble
Durability
-
-
Specific Gravity
6.86-7.033.10-3.20
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven, Conchoidal
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Poor to good on (001)
Mohs Hardness
6-76-6.5
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.
Luster
Adamantine, Greasy
Vitreous, Greasy
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
X golden yellow to orange
Dispersion
0.070.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.990-2.1051.589-1.670
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
monoclinic
Birefringence
0.096-0.0980.027-0.032
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Focus
Self-acceptance
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Emotional Balance