Origin
Southern and central Africa
Mexico
Color
Blue, Violet, Brown, White, Greenish, pink
Colorless, White, Greenish, Brown
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
-
Flexible
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.26-3.412.20-2.40
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Conchoidal, Splintery, Fibrous
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Perfect on {010}, distinct on {100}
Mohs Hardness
7-8.52
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Vitreous, Silky, Pearly, Waxy
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
None
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
Transparent, Translucent
Refractive Index
1.669-1.7231.521-1.531
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.011-0.0370.010
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Patience
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Patience
Harmony