Origin
Sri Lanka
Southern and central Africa
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Yellow, Blue, Colorless, White
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
-
Durability
-
-
Specific Gravity
6.86-7.033.28-3.31
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Conchoidal
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
None observed
Mohs Hardness
6-76.5-7.5
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Luster
Adamantine, Greasy
Vitreous
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Colorless
Dispersion
0.070.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.990-2.1051.638-1.650
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Hexagonal
Birefringence
0.096-0.0980.0130
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Poor
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Focus
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Clarity