General Information:
Chemical Formula:
Ag4MnSb2S6
Composition:
(Molecular Weight = 922.31 gm)
Manganese 5.96 % Mn
Silver 46.78 % Ag
Antimony 26.40 % Sb
Sulfur 20.86 % S
Empirical Formula:
Ag4Mn3+Sb2S6
Locality:
Samson Vein of Andreasberg silver mines, Harz Mountains, Germany.
Name Origin:
Named after its location.
Physical Properties:
Cleavage:
None
Color:
black or steel black.
Density:
5.51
Diaphaniety:
Subtranslucent to Opaque
Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., ,
Hardness:
2.5 - Finger Nail
Luster:
Sub Metallic
Streak:
dark red
More details...