Origin
Southern and central Africa
Southern and central Africa
Color
Colorless, Blue, Brown, Green, gray
Blue, Violet, Brown, White, Greenish, pink
Streak
White
White
For which Rashi?
Gemini
Leo, Sagittarius
Planet
Venus, Neptune
Saturn
Element of Planets
Water, Air
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Isis
Not to wear with
-
-
Powers
Healing
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.90-4.003.26-3.41
1
7.18
👆🏻
Fracture
Conchoidal
Fibrous, ConchoidalWalter Schumann
Cleavage
Perfect on {001}, good on {210}, poor on {010}
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
3-3.57-8.5
2
10
👆🏻
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
AlAl6O3BSi3O18
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Weakly trichroiC
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
-
Translucent, Translucent to opaque
Refractive Index
1.619-1.6351.669-1.723
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.004-0.0120.011-0.037
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Peace
Patience
Healing
Emotional healing
Emotional healing
Qualities Associated
Divine Guidance
Patience