Origin
Southern and central Africa
Canada, Russia, Brazil
Color
Blue, Violet, Brown, White, Greenish, pink
Brown, Red, Yellow, Violet
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
-
H₂SO₄
Durability
-
-
Specific Gravity
3.26-3.412.74-3.00
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Uneven
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Distinct on {0001} imperfect on {11 2 0}
Mohs Hardness
7-8.55-5.5
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Weak: O= colorless
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
Translucent
Refractive Index
1.669-1.7231.591-1.633
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.011-0.0370.003-0.010
0
0.296
👆🏻
Clarity
Translucent
Translucent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Patience
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Patience
Self-Love