Origin
Brazil, Southern and central Africa, Madagascar, Widespread; best stones come from Brazil.
Brazil, Colombia, Southern and central Africa
Color
Yellow
Greenish, Blue, Colorless, White, Green
Streak
-
White
For which Rashi?
Scorpio
-
Planet
Jupiter
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Persephone, Mercury
-
Not to wear with
-
-
Powers
Protection, Psychic Power
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.653.08-3.12
1
7.18
👆🏻
Fracture
-
ConchoidalWalter Schumann
Cleavage
Indiscernible
{010} Perfect
Mohs Hardness
77.5
2
10
👆🏻
Chemical Composition
SiO2
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Natural: weak; yellow light yellow.
Weak: colorless-(greenish) yellow
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.544-1.5531.650-1.677
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.0090.019-0.025
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances creativity and mental clarity
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Abundance
Communication