Origin
Southern and central Africa
Southern and central Africa
Color
Black, Reddish, gray
Black, White, Greenish, Brown
Streak
Black, Red
Greenish, 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
5.51-5.643.45-3.55
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
Distinct on {10 1 1}
{100} Perfect, {010} Perfect
Mohs Hardness
2.55-6
2
10
👆🏻
Chemical Composition
Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.
Luster
Adamantine
Vitreous, Pearly
Pleochroism
Moderate; cochineal-red to blood-red
Green stones strong: (dark) bluish-green brownish-red (yellowish)Herve Nicolas Lazzarelli
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
OpaqueUlrich Henn and Claudio C. Milisenda
Transparent, Translucent
Refractive Index
2.792-3.0871.673-1.731
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
0.295-0.2960.016
0
0.296
👆🏻
Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
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-
Psychology
-
Grounding
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Protection