Origin
Southern and central Africa
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Color
Black, Brownish, Brown
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
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
4.5-4.82.98-3.10
1
7.18
👆🏻
Fracture
Uneven
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Cleavage
None, parting may develop along {111}
[100] Perfect, [110] Good, [011] Distinct
Mohs Hardness
5.56
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
-
Vitreous, Pearly
Pleochroism
none.
weak to none
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.08-2.161.578-1.646
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Isometric
Triclinic
Birefringence
-99990.020-0.030
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Poor
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Vitality
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Peace