Origin
-
Tanzania, Sri Lanka, China
Color
Black, Blue, Yellow, Green
Colorless
Streak
Grey, Greenish, Brown
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.28-3.443.60-3.61
1
7.18
👆🏻
Fracture
Uneven, Splintery
Conchoidal
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Imperfect/fair/absent
Mohs Hardness
5.0-6.08-8.5
2
10
👆🏻
Chemical Composition
Na2Fe2+3Fe3+2Si8O22(OH)2
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Silky
Vitreous
Pleochroism
X = blue
Weak
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.680-1.6981.70-1.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.005-0.0080.055
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Transformation
Healing
Emotional healing
Physical healing
Qualities Associated
Clear Thinking
Spiritual Growth