Origin
Brazil, Colombia, Southern and central Africa
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Color
Greenish, Blue, Colorless, White, Green
Brown
Streak
White
Brownish, Red, Black
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.08-3.125.2
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Subconchoidal, Conchoidal
Cleavage
{010} Perfect
Good in one direction
Mohs Hardness
7.56-6.5
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Resinous
Pleochroism
Weak: colorless-(greenish) yellow
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
TransparentWalter Schumann
Refractive Index
1.650-1.6772.190-2.457
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Orthorhombic
Birefringence
0.019-0.0250.083
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentWalter Schumann
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Balance