General Information:
Chemical Formula:
Ag5Pb8Bi13S30
Composition:
(Molecular Weight = 5,875.67 gm)
Silver 9.18 % Ag
Bismuth 46.24 % Bi
Lead 28.21 % Pb
Sulfur 16.37 % S
Empirical Formula:
Ag5Pb8Bi13S30
IMA Status:
Approved IMA 1977
Locality:
Ivigtut, Greenland.
Name Origin:
Named for the Vikings, who settled Greenland in the tenth century.
Physical Properties:
Color:
gray.
Density:
6.94
Diaphaniety:
Opaque
Habits:
Microscopic Crystals - Crystals visible only with microscopes., Lamellar - Thin laminae producing a lamellar structure.,
Hardness:
3.5 - Copper Penny
Luster:
Metallic
More details...