Origin
Southern and central Africa
USA, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka
Color
Blue, Violet, Brown, White, Greenish, pink
Colorless, Yellow, pink, Red
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.26-3.412.90-2.98
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Conchoidal, ConchoidalWalter Schumann
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Distinct on {11 2 0}, imperfect on {10 1 1}
Mohs Hardness
7-8.57.5-8
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
-
Refractive Index
1.669-1.7231.650-1.695
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.011-0.0370.016
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Patience
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Patience
Spiritual Activation