Origin
Southern and central Africa
India, Southern and central Africa, Madagascar
Color
Black, White, Greenish, Brown
Black, Brownish, Greenish
Streak
Greenish, White
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.45-3.553.18-3.22
1
7.18
👆🏻
Fracture
Uneven
Uneven, Conchoidal
Cleavage
{100} Perfect, {010} Perfect
{1011} Indistinct
Mohs Hardness
5-6-9999
2
10
👆🏻
Chemical Composition
(Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Green stones strong: (dark) bluish-green brownish-red (yellowish)Herve Nicolas Lazzarelli
Very strong: yellow-brown pale yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.673-1.7311.635-1.672
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.0160.025
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Protection & Grounding