Origin
Southern and central Africa
Madagascar, Southern and central Africa
Color
Blue, Violet, Brown, White, Greenish, pink
Grey, Brownish, Blue, Colorless, White, gray, Reddish
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
3.26-3.412.54-2.61
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Uneven
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
{001} Perfect, {010} Good
Mohs Hardness
7-8.56
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
-
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
Transparent
Refractive Index
1.669-1.7231.518-1.536
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.011-0.0370.005-0.008
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Patience
Creativity
Healing
Emotional healing
-
Qualities Associated
Patience
Creativity