Origin
Southern and central Africa
Southern and central Africa
Color
Grey, Green
Black, Brownish, Brown
Streak
-
Brown
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
3.62-3.684.5-4.8
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Distinct
None, parting may develop along {111}
Mohs Hardness
8-8.55.5
2
10
👆🏻
Chemical Composition
(Mg,Fe,Zn)Al 6BeO 12Ulrich Henn and Claudio C.
Fe++Cr2O4
Luster
Vitreous
-
Pleochroism
-
none.
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.719-1.7392.08-2.16
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Isometric
Birefringence
0.014-0.016-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Vitality
Healing
Physical healing
Emotional healing
Qualities Associated
Psychic Abilities
Protection