Origin
-
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Green, Brown, Colorless, Greenish, Yellow
Streak
-
White
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
3.5-3.83.25-3.45
1
7.18
👆🏻
Fracture
-
Conchoidal, Uneven
Cleavage
1,1 ; 3,2
Good on {110}
Mohs Hardness
8.56.5
2
10
👆🏻
Chemical Composition
BeAl 2 O 4
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
X = colorless to green; Y = colorless
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.744-1.7551.660-1.685
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
-99990.012-0.017
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Self-worth