Origin
Southern and central Africa
USA
Color
Black, Brownish, Brown
Colorless, Greenish, White, Yellow
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
4.5-4.82.90
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None, parting may develop along {111}
None
Mohs Hardness
5.56
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Vitreous
Pleochroism
none.
-
Dispersion
0.040.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
2.08-2.161.595-1.604
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
-99990.009
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Poor
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Optimism
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Optimism