Origin
Southern and central Africa
Sri Lanka
Color
Blue, Violet, Brown, White, Greenish, pink
Blue
Streak
White
-
For which Rashi?
Leo, Sagittarius
Sagittarius, Scorpio
Planet
Saturn
Pluto
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Isis
Hephaestus
Not to wear with
-
-
Powers
Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.26-3.413.65-4.55
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Conchoidal
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
None, but may exhibit slight parting
Mohs Hardness
7-8.57.5-8
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
-
Refractive Index
1.669-1.7231.735-1.790
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric
Birefringence
0.011-0.037-9999
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Patience
Empowerment
Healing
Emotional healing
-
Qualities Associated
Patience
Transformation