Origin
-
Southern and central Africa
Color
Black, Blue, Yellow, Green
Colorless, Blue, Brown, Green, gray
Streak
Grey, Greenish, Brown
White
For which Rashi?
-
Gemini
Planet
-
Venus, Neptune
Element of Planets
-
Water, Air
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.28-3.443.90-4.00
1
7.18
👆🏻
Fracture
Uneven, Splintery
Conchoidal
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Perfect on {001}, good on {210}, poor on {010}
Mohs Hardness
5.0-6.03-3.5
2
10
👆🏻
Chemical Composition
Na2Fe2+3Fe3+2Si8O22(OH)2
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Silky
Vitreous, Pearly
Pleochroism
X = blue
Weakly trichroiC
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.680-1.6981.619-1.635
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.005-0.0080.004-0.012
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Clear Thinking
Divine Guidance