Origin
Sri Lanka
Canada, Brazil, Madagascar, Mozambique, Russia, India, Pakistan, China, Sri Lanka, Origins: Canada, Namibia
Color
Blue
Green, Blue, Yellow, Colorless, pink
Streak
-
White
For which Rashi?
Sagittarius, Scorpio
-
Planet
Pluto
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Hephaestus
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.65-4.552.60-2.90
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal, Irregular
Cleavage
None, but may exhibit slight parting
Imperfect on {0001}
Mohs Hardness
7.5-87.5-8
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Be3Al2Si6O18
Luster
Vitreous
Vitreous, Resinous
Pleochroism
-
Weak to distinct
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent, Transparent to opaque
Refractive Index
1.735-1.7901.560-1.604
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Hexagonal
Birefringence
-99990.0040-0.0070
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Communication
Healing
-
Physical healing
Qualities Associated
Transformation
Courage