General Information:
Chemical Formula:
Pb8Sn7Cu3(Bi,Sb)3S28
Composition:
(Molecular Weight = 4,160.38 gm)
Copper 4.58 % Cu
Tin 19.97 % Sn
Bismuth 12.56 % Bi
Antimony 1.46 % Sb
Lead 39.84 % Pb
Sulfur 21.58 % S
Empirical Formula:
Pb8Sn7Cu3Bi2.5Sb0.5S28
IMA Status:
Approved IMA
Locality:
Aghios Philippos Pb-Zn deposit, Kirki district, Greece.
Name Origin:
Named for Claude Levy (1924-), French mineralogist.
Physical Properties:
Cleavage:
[100] Good
Color:
gray.
Diaphaniety:
Opaque
Habits:
Microscopic Crystals - Crystals visible only with microscopes., Lamellar - Thin laminae producing a lamellar structure.,
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Metallic
Streak:
black
More details...