Silver-bearing Chalcocite

(Cu,Ag)2S
Also known as
  • Argentiferous Chalcocite
Variety of
Chalcocite
ChalcociteCu2S

Where it forms, where it's found

4recorded occurrences
Source · OpenStreetMap

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
47AgSilverSilver2107.868215.736
57.55%
29CuCopperCopper263.546127.092
33.90%
16SSulfurSulfur132.06032.060
8.55%
Total374.888100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From Mindat formula

Synonyms

  • Argentiferous Chalcocite

Literature, links & citation

Citations
  1. 1974Ref.: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 132 (Table 4).
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Silver-bearing Chalcocite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/silver-bearing-chalcocite-25552},
  note      = {Accessed 2026-05-11}
}