Origin
Sri Lanka
Ethiopia
Color
Blue
Yellow, White, Red, Brown, Blue
Streak
-
White
For which Rashi?
Sagittarius, Scorpio
Cancer, Libra, Scorpio
Planet
Pluto
Mercury
Element of Planets
-
Earth, Air, Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Hephaestus
Cupid
Not to wear with
-
-
Powers
-
Astral Projection, Psychicism
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
BrittleWalter Schumann
Solubility
-
hot salt water
Durability
-
-
Specific Gravity
3.65-4.551.98-2.25
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
None, but may exhibit slight parting
None
Mohs Hardness
7.5-85-6.5
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
SiO2 · nH2O
Luster
Vitreous
Vitreous, Pearly
Pleochroism
-
None
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Transparent to translucent
Refractive Index
1.735-1.7901.37-1.52
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Trigonal
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Creativity
Healing
-
Emotional healing
Qualities Associated
Transformation
Creativity