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
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