Origin
-
Sri Lanka
Color
Black, Blue, Yellow, Green
Red, Brown, Black
Streak
Grey, Greenish, Brown
Brown
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
3.28-3.442.97-3.14
1
7.18
👆🏻
Fracture
Uneven, Splintery
Uneven, Conchoidal
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
{1011} Indistinct
Mohs Hardness
5.0-6.0-9999
2
10
👆🏻
Chemical Composition
Na2Fe2+3Fe3+2Si8O22(OH)2
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Luster
Vitreous, Silky
Vitreous
Pleochroism
X = blue
Pale yellow colorlessAnthony et al
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.680-1.6981.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.005-0.0080.014-0.032
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Clear Thinking
Empowerment