Origin
Sri Lanka
Russia, Madagascar, Brazil
Color
Blue
Green, White, Blue
Streak
-
White
For which Rashi?
Sagittarius, Scorpio
Virgo
Planet
Pluto
Saturn
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Hephaestus
Artemis
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.65-4.552.55-2.57
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
None, but may exhibit slight parting
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Mohs Hardness
7.5-86-6.5
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
KAlSi3O8
Luster
Vitreous
Vitreous
Pleochroism
-
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Translucent, Translucent to opaque
Refractive Index
1.735-1.7901.522-1.530
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Triclinic
Birefringence
-99990.008-0.010
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
-
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Empowerment
Harmony
Healing
-
Emotional healing
Qualities Associated
Transformation
Harmony