Origin
India, Southern and central Africa, Madagascar
Spain
Color
Black, Brownish, Greenish
Brown, Green, Brownish, Yellow, Greenish, White, Black
Streak
Brown
White
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
3.18-3.222.9
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Fibrous
Cleavage
{1011} Indistinct
[010] Perfect, [100] Distinct, [011] Distinct
Mohs Hardness
-99992
2
10
👆🏻
Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
Luster
Vitreous
Vitreous, Pearly, Silky
Pleochroism
Very strong: yellow-brown pale yellow
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Opaque
Refractive Index
1.635-1.6721.519-1.521
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
monoclinic
Birefringence
0.0250.0090-0.0100
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
-
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Harmony
Healing
Emotional healing
Spiritual healing
Qualities Associated
Protection & Grounding
Harmony