Origin
Southern and central Africa
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Color
Blue, Violet, Brown, White, Greenish, pink
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
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
3.26-3.412.98-3.10
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
[100] Perfect, [110] Good, [011] Distinct
Mohs Hardness
7-8.56
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
weak to none
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
-
Refractive Index
1.669-1.7231.578-1.646
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic
Triclinic
Birefringence
0.011-0.0370.020-0.030
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Patience
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Patience
Peace