Origin
Southern and central Africa
Sri Lanka
Color
Greenish, Blue, Colorless, Green, Yellow
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Streak
Greenish, gray
White, Brownish
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
3.17-3.246.86-7.03
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
(0001) indistinct
{100} imperfect, {110} indistinct; partings on {111} or {011}
Mohs Hardness
9-9.56-7
2
10
👆🏻
Chemical Composition
SiCArthur Thomas , Gemstones (2009)
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Adamantine
Adamantine, Greasy
Pleochroism
-
Pleochroic haloes have been observed. Dichroic in yellow
Dispersion
0.100.07
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
2.648-2.6911.990-2.105
1
3.25
👆🏻
Optic Character
-
-
Crystal System
6H polytype
tetragonal
Birefringence
0.0430.096-0.098
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Focus
Healing
-
Emotional healing
Qualities Associated
Creativity
Manifestation