Origin
Sri Lanka
Australia, Spain, Brazil, Germany
Color
Blue
Green, Blue, Colorless
Streak
-
White
For which Rashi?
Sagittarius, Scorpio
Virgo
Planet
Pluto
-
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Hephaestus
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.65-4.552.42-2.58
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Splintery, ConchoidalWalter Schumann
Cleavage
None, but may exhibit slight parting
[010] perfect
Mohs Hardness
7.5-84-5
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
AlPO4 · 2(H2O)
Luster
Vitreous
Vitreous, Waxy
Pleochroism
-
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Translucent, Opaque . May be translucent when backlit on the edges.
Refractive Index
1.735-1.7901.560-1.594
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.031
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Harmony
Healing
-
Emotional healing
Qualities Associated
Transformation
Harmony