Origin
Southern and central Africa
Canada
Color
Black, Brownish, Brown
White, Reddish, gray, Brown, Brownish
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
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.5-4.82.55-2.65
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Conchoidal
Cleavage
None, parting may develop along {111}
[1010] Poor
Mohs Hardness
5.55-6
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Luster
-
Vitreous, Greasy
Pleochroism
none.
-
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
2.08-2.161.529-1.547
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Hexagonal
Birefringence
-99990.003-0.004
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Poor
-
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
-
Healing
Emotional healing
-
Qualities Associated
Protection
Clarity