Origin
India, Southern and central Africa, Madagascar
China, Burma, Pakistan, USA, Southern and central Africa, Brazil
Color
Black, Brownish, Greenish
Green
Streak
Brown
None
For which Rashi?
-
Libra, Taurus, Leo, Virgo
Planet
-
-
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Isis
Not to wear with
-
-
Powers
-
Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.18-3.221.54-1.55
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{1011} Indistinct
Poor
Mohs Hardness
-99996.5-7
2
10
👆🏻
Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
(Mg,Fe)2SiO4
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Very strong: yellow-brown pale yellow
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.635-1.6721.64-1.69
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
0.0250.036
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Protection
Harmony
Healing
Emotional healing
Physical healing
Qualities Associated
Protection & Grounding
Health