Origin
India, Southern and central Africa, Madagascar
Ethiopia
Color
Black, Brownish, Greenish
Yellow, White, Red, Brown, Blue
Streak
Brown
White
For which Rashi?
-
Cancer, Libra, Scorpio
Planet
-
Mercury
Element of Planets
-
Earth, Air, Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Cupid
Not to wear with
-
-
Powers
-
Astral Projection, Psychicism
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
BrittleWalter Schumann
Solubility
-
hot salt water
Durability
-
-
Specific Gravity
3.18-3.221.98-2.25
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{1011} Indistinct
None
Mohs Hardness
-99995-6.5
2
10
👆🏻
Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
SiO2 · nH2O
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Very strong: yellow-brown pale yellow
None
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.635-1.6721.37-1.52
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal
Birefringence
0.025-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection & Grounding
Creativity