Origin
Sri Lanka
Southern and central Africa
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Greenish, Blue, Colorless, Green, Yellow
Streak
White, Brownish
Greenish, 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
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
6.86-7.033.17-3.24
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Conchoidal
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
(0001) indistinct
Mohs Hardness
6-79-9.5
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiCArthur Thomas , Gemstones (2009)
Luster
Adamantine, Greasy
Adamantine
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
-
Dispersion
0.070.10
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.990-2.1052.648-2.691
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
6H polytype
Birefringence
0.096-0.0980.043
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Poor
-
Reproductive
-
-
Digestive
-
-
Psychology
Focus
Clarity
Healing
Emotional healing
-
Qualities Associated
Manifestation
Creativity