Carducciite
Carducciite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula (AgSb)Pb₆(As,Sb)₈S₂₀.
It crystallizes in the monoclinic crystal system (space group P2_1/c).
Key properties: Mohs hardness 2.5–3; specific gravity 5.56; Black streak; Metallic luster.
IMA symbol Cdu, IMA status: approved, named in 2013.
Found in a barite-pyrite-(Pb-Ag-Zn) vein deposit in a metavolcanic-metasedimentary sequence metamorphosed to greenschist facies.
It is found associated with Barite, pyrite, sterryite, sphalerite, twinnite.
The name refers to the town, Valdicastello Carducci, near the mine that produced the first specimens.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
Browse more C minerals or help write this entry.