Origin
Southern and central Africa
Southern and central Africa
Color
Black, Brownish, Brown
Green, Black, White, Grey, gray
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
4.5-4.83.00
1
7.18
👆🏻
Fracture
Uneven
Uneven, Splintery
Cleavage
None, parting may develop along {111}
perfect along {110}.
Mohs Hardness
5.55-6
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Luster
-
Vitreous
Pleochroism
none.
moderate
Dispersion
0.040.02
0.005
1
👆🏻
Transparency
-
TransparentUlrich Henn and Claudio C. Milisenda
Refractive Index
2.08-2.161.613-1.628
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
monoclinic
Birefringence
-99990.0250-0.0270
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Aids in mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Poor
Good
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Vitality
Strength
Healing
Emotional healing
Physical healing
Qualities Associated
Protection
Strength