Origin
-
Southern and central Africa
Color
Black, Brown
Colorless, Brown, Greenish, gray
Streak
Black
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
5.22.62-2.67
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
None
From the Greek, oligos and kasein, little cleavage.
Mohs Hardness
5.5-6.56-6.5
2
10
👆🏻
Chemical Composition
Fe 3O 4Ulrich Henn and Claudio C.
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Vitreous
Pleochroism
-
-
Dispersion
0.200.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.421.538-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
-99990.010
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Grounding
Harmony
Healing
Physical healing
Emotional healing
Qualities Associated
Energy
Harmony