General Information:
Chemical Formula:
Pb14(Sb,As)6S23
Locality:
Meredo, Galicia, Spain. Kilbricken Co.., Clare, Ireland.
Physical Properties:
Cleavage:
[???] Indistinct, [100] Distinct
Color:
blue gray, gray, or silver white.
Density:
6.4
Diaphaniety:
Opaque
Habits:
Massive - Granular - Common texture observed in granite and other igneous rock., ,
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Metallic
Streak:
lead gray
More details...