Origin
Southern and central Africa
Southern and central Africa
Color
Blue, Violet, Brown, White, Greenish, pink
White, Colorless, Blue, Red, Green, Yellow, Violet, Black
Streak
White
Colorless
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
3.26-3.413.03-3.18
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Uneven, Irregular, Conchoidal
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
{???} Indistinct
Mohs Hardness
7-8.57-7.5
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Very strong: pale yellow colorless
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
Transparent
Refractive Index
1.669-1.7231.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Birefringence
0.011-0.0370.014-0.032
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Patience
Self-acceptance
Healing
Emotional healing
Emotional healing
Qualities Associated
Patience
Self-Exploration