Origin
Southern and central Africa
Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA
Color
Blue, Violet, Brown, White, Greenish, pink
Red, Brown, Brownish, Black
Streak
White
White
For which Rashi?
Leo, Sagittarius
-
Planet
Saturn
-
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Isis
-
Not to wear with
-
-
Powers
Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.26-3.413.95-4.30
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Conchoidal
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
none
Mohs Hardness
7-8.57-7.5
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Greasy, Vitreous
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
None
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
-
Refractive Index
1.669-1.7231.770-1.820
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
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
Good
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Patience
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
Patience
Devotion