Origin
Italy, China
Southern and central Africa
Color
Colorless, White, Blue, gray
Blue, Violet, Brown, White, Greenish, pink
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
3.093.26-3.41
1
7.18
👆🏻
Fracture
Uneven
Fibrous, ConchoidalWalter Schumann
Cleavage
Perfect on {100} and {010}, imperfect on {101}
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
87-8.5
2
10
👆🏻
Chemical Composition
CaAl2Si2O7(OH)2.H2O
AlAl6O3BSi3O18
Luster
Vitreous, Greasy
Vitreous
Pleochroism
Weak
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
Refractive Index
1.672-1.6761.669-1.723
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.019-0.0210.011-0.037
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Patience
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Patience