Origin
Southern and central Africa
Mexico, USA, Southern and central Africa
Color
Blue, Violet, Brown, White, Greenish, pink
Greenish, Colorless, White, Brown, Yellow, Green
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.26-3.412.90-3.00
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Conchoidal, Uneven
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
None
Mohs Hardness
7-8.55-5.5
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
CaBSiO 4(OH)Michael 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
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
Transparent
Refractive Index
1.669-1.7231.621-1.675
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.011-0.0370.044
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Patience
Mental Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Patience
Heart Healing