Origin
Sri Lanka
Linares, Jaén, Andalusia, Spain
Color
Red, Brown, Black
Blue
Streak
Brown
Blue
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.97-3.145.35
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{1011} Indistinct
Perfect on {100}, imperfect on {001}
Mohs Hardness
-99992.5
2
10
👆🏻
Chemical Composition
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Sub-Adamantine, Vitreous
Pleochroism
Pale yellow colorlessAnthony et al
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.614-1.6661.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
monoclinic
Birefringence
0.014-0.0320.050
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Empowerment
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
Empowerment
Communication