Origin
India, Southern and central Africa, Madagascar
India, Brazil, China, Australia
Color
Black, Brownish, Greenish
Green, Red, Yellow
Streak
Brown
-
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
Air, Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.18-3.222.61
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
-
Cleavage
{1011} Indistinct
None
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)
SiO2
Luster
Vitreous
Vitreous
Pleochroism
Very strong: yellow-brown pale yellow
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.635-1.6721.53-1.54
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal
Birefringence
0.0250.004
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Courage
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection & Grounding
Energy