Origin
Southern and central Africa
Southern and central Africa, California
Color
Blue, Violet, Brown, White, Greenish, pink
All colors, White, Colorless, Blue, Red, Green, Yellow, pink
Streak
White
-
For which Rashi?
Leo, Sagittarius
Scorpio, Aries, Virgo
Planet
Saturn
Mars
Element of Planets
Water
Air
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Isis
-
Not to wear with
-
-
Powers
Healing
Healing, Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.26-3.412.58-2.91
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Conchoidal
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Indiscernible
Mohs Hardness
7-8.56.5-7
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
SiO2
Luster
Vitreous
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
Opaque
Refractive Index
1.669-1.7231.540
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.011-0.037-9999
0
0.296
👆🏻
Clarity
Translucent
OpaqueHerve Nicolas Lazzarelli
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Patience
Grounding
Healing
Emotional healing
Emotional healing
Qualities Associated
Patience
Nurturing