Origin
Brazil, Southern and central Africa, Madagascar, Widespread; best stones come from Brazil.
Sri Lanka
Color
Yellow
Blue
Streak
-
-
For which Rashi?
Scorpio
Sagittarius, Scorpio
Planet
Jupiter
Pluto
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Persephone, Mercury
Hephaestus
Not to wear with
-
-
Powers
Protection, Psychic Power
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.653.65-4.55
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Indiscernible
None, but may exhibit slight parting
Mohs Hardness
77.5-8
2
10
👆🏻
Chemical Composition
SiO2
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
Natural: weak; yellow light yellow.
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.544-1.5531.735-1.790
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Isometric
Birefringence
0.009-9999
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances creativity and mental clarity
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Empowerment
Healing
Emotional healing
-
Qualities Associated
Abundance
Transformation