Origin
Southern and central Africa
India, Southern and central Africa, Madagascar
Color
Brown
Black, Brownish, Greenish
Streak
-
Brown
For which Rashi?
Aries, Capricorn
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Black Madonna, Isis, Horus
-
Not to wear with
-
-
Powers
Protection
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99993.18-3.22
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
None
{1011} Indistinct
Mohs Hardness
5-5.5-9999
2
10
👆🏻
Chemical Composition
-
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Luster
-
Vitreous
Pleochroism
-
Very strong: yellow-brown pale yellow
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
-99991.635-1.672
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
-99990.025
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Assists in emotional healing and protection
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grief Relief
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Grief Relief
Protection & Grounding