Origin
Spain
India, Southern and central Africa, Madagascar
Color
Brown, Green, Brownish, Yellow, Greenish, White, Black
Black, Brownish, Greenish
Streak
White
Brown
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
2.93.18-3.22
1
7.18
👆🏻
Fracture
Fibrous
Uneven, Conchoidal
Cleavage
[010] Perfect, [100] Distinct, [011] Distinct
{1011} Indistinct
Mohs Hardness
2-9999
2
10
👆🏻
Chemical Composition
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Luster
Vitreous, Pearly, Silky
Vitreous
Pleochroism
-
Very strong: yellow-brown pale yellow
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque
Transparent, Translucent
Refractive Index
1.519-1.5211.635-1.672
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.0090-0.01000.025
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Protection
Healing
Spiritual healing
Emotional healing
Qualities Associated
Harmony
Protection & Grounding