Meneghinite

Mineral CuPb13Sb7S24

Take care.

About it

Blackish lead-grey slender prisms, a lead-antimony sulfosalt with a little copper. Named for Giuseppe Meneghini; the classic source is the Bottino mine in Tuscany, Italy.

Type
Mineral
Group
Sulfosalt
Formula
CuPb13Sb7S24
Hardness (Mohs)
2.5
Specific gravity
6.3–6.5
Streak
black
Lustre
metallic
Crystal system
Orthorhombic
Colours
blackish lead grey
Transparency
opaque
Cleavage and fracture
perfect in one direction

Typical values: real specimens vary. For more, see mindat.org.