Origin
Southern and central Africa
Color
Black, Reddish, gray
Streak
Black, Red
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
5.51-5.64
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Cleavage
Distinct on {10 1 1}
Mohs Hardness
2.5
2
10
👆🏻
Chemical Composition
Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Adamantine
Pleochroism
Moderate; cochineal-red to blood-red
Dispersion
0.03
Rank: 45 (Overall)
0.005
1
👆🏻
Transparency
OpaqueUlrich Henn and Claudio C. Milisenda
Refractive Index
2.792-3.087
1
3.25
👆🏻
Optic Character
-
Crystal System
Trigonal
Birefringence
0.295-0.296
0
0.296
👆🏻
Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Cardiovascular
-
Respiratory
-
Reproductive
-
Digestive
-
Psychology
-
Healing
Emotional healing
Qualities Associated
Vitality