Origin
Southern and central Africa
Australia
Color
Blue, Violet, Brown, White, Greenish, pink
Reddish, Brown, Red, pink
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
-
Partly soluble in HCl.
Durability
-
-
Specific Gravity
3.26-3.413.32-3.43
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Conchoidal
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
{100} perfect; {110} and {1 1 0} good; {010} poor
Mohs Hardness
7-8.55.5-6
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Weak
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
Transparent, Translucent
Refractive Index
1.669-1.7231.662-1.707
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Triclinic
Birefringence
0.011-0.0370.013-0.015
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Patience
Love
Healing
Emotional healing
Emotional healing
Qualities Associated
Patience
Love