Origin
Southern and central Africa
Southern and central Africa
Color
Brown, Red, Blue, Yellow, orange
Black, Brownish, Brown
Streak
-
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-2.644.5-4.8
1
7.18
👆🏻
Fracture
Uneven, Splintery, Conchoidal
Uneven
Cleavage
Absent
None, parting may develop along {111}
Mohs Hardness
6.5-75.5
2
10
👆🏻
Chemical Composition
SiO 2Arthur Thomas , Gemstones (2009)
Fe++Cr2O4
Luster
Waxy, Vitreous, Greasy, Silky
-
Pleochroism
-
none.
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.530-1.5432.08-2.16
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Isometric
Birefringence
0.003-0.009-9999
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Aids in digestion and nutrient absorption
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Protection