Origin
Sri Lanka
Brazil, Southern and central Africa, Madagascar, Widespread; best stones come from Brazil.
Color
Blue
Yellow
Streak
-
-
For which Rashi?
Sagittarius, Scorpio
Scorpio
Planet
Pluto
Jupiter
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Hephaestus
Persephone, Mercury
Not to wear with
-
-
Powers
-
Protection, Psychic Power
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.65-4.552.65
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
None, but may exhibit slight parting
Indiscernible
Mohs Hardness
7.5-87
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
SiO2
Luster
Vitreous
Vitreous
Pleochroism
-
Natural: weak; yellow light yellow.
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.735-1.7901.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Trigonal
Birefringence
-99990.009
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
Enhances creativity and mental clarity
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Creativity
Healing
-
Emotional healing
Qualities Associated
Transformation
Abundance