Origin
Southern and central Africa
Spain
Color
Blue, Violet, Brown, White, Greenish, pink
Brown, Green, Brownish, Yellow, Greenish, White, Black
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
3.26-3.412.9
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Fibrous
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
[010] Perfect, [100] Distinct, [011] Distinct
Mohs Hardness
7-8.52
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
Luster
Vitreous
Vitreous, Pearly, Silky
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
-
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
Transparent, Translucent, Opaque
Refractive Index
1.669-1.7231.519-1.521
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.011-0.0370.0090-0.0100
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
Enhances mental clarity and focus
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Patience
Harmony
Healing
Emotional healing
Spiritual healing
Qualities Associated
Patience
Harmony