Origin
Sri Lanka
Brazil
Color
Red, Brown, Black
Yellow, Brown, Black, Colorless, White, Brownish
Streak
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
-
Effervesces in hot HCl
Durability
-
-
Specific Gravity
2.97-3.142.92-3.12
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{1011} Indistinct
[10 1 1] perfect
Mohs Hardness
-99993.5-4.5
2
10
👆🏻
Chemical Composition
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Pale yellow colorlessAnthony et al
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.614-1.6661.509-1.720
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal
Birefringence
0.014-0.0320.191
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Empowerment
Calming
Healing
Emotional healing
Emotional healing
Qualities Associated
Empowerment
Relaxation