Hayyanite

Cu5Ag11Pb76Sb71As17(As2+)8S224
IMA status
  • Approved
  • Pending publication
IMA symbol
Hyy
IMA approved
2023
Also known as
  • Hayyaniet

Where it forms, where it's found

Type locality
Barika ore deposit
  1. Sardasht
  2. Sardasht County
  3. West Azerbaijan Province
  4. Iran

36.1917°, 45.6500°

1recorded occurrences
Source · OpenStreetMap

Safety & handling

Crystallography

Crystal system
Monoclinic
Space group
P21/c
Cell parameters
a = 8.193(4) Å · b = 43.05(2) Å · c = 28.63(1) Å
Cell angles
β = 90.08(1) °
Ratio a:b:c
1 : 5.254 : 3.494

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
82PbLeadLead76207.20015747.200
45.06%
51SbAntimonyAntimony71121.7608644.960
24.73%
16SSulfurSulfur22432.0607181.440
20.55%
33AsArsenicArsenic2574.9221873.050
5.36%
47AgSilverSilver11107.8681186.548
3.39%
29CuCopperCopper563.546317.730
0.91%
Total34950.928100.00%

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

From Mindat formula

Synonyms

  • Hayyaniet

In other languages

German
Hayyanit · IMA 2023-048
Italian
Hayyanite

Classification

Strunz
10th ed.

2.LB

  • 2Sulfides and SulfosaltsClass
  • 2.LUnclassified SulfosaltsDivision
  • 2.LBWith essential PbGroup
  • 2.LBHayyaniteSpecies

Group, growth & confusion

In the same group
1 members

Literature, links & citation

Citations
  1. 2023Bosi, Ferdinando, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2023) Newsletter 75. Mineralogical Magazine, 1-4 doi:10.1180/mgm.2023.76DOI: 10.1180/mgm.2023.76
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Hayyanite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/hayyanite-470883},
  note      = {Accessed 2026-05-11}
}