Lebedevite

K4Na14Cu14O8(AsO4)8Cl6
IMA status
  • Approved
  • Pending publication
IMA symbol
Ldv
IMA approved
2023
Also known as
  • Lebedeviet

Where it forms, where it's found

Type locality
Arsenatnaya fumarole
  1. Second scoria cone
  2. Northern Breakthrough (North Breach)
  3. Great Fissure eruption (Main Fracture)
  4. Tolbachik Volcanic field
  5. Milkovsky District
  6. Kamchatka Krai
  7. Russia

55.6833°, 160.2333°

1recorded occurrences
Source · OpenStreetMap

Safety & handling

Crystallography

Crystal system
Tetragonal
Space group
I4/mmm
Cell parameters
a = 15.0019(5) Å · c = 11.2048(5) Å

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
29CuCopperCopper1463.546889.644
31.55%
8OOxygenOxygen4015.999639.960
22.69%
33AsArsenicArsenic874.922599.376
21.26%
11NaSodiumSodium1422.990321.860
11.41%
17ClChlorineChlorine635.450212.700
7.54%
19KPotassiumPotassium439.098156.392
5.55%
Total2819.932100.00%

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

From Mindat formula

Synonyms

  • Lebedeviet

In other languages

German
Lebedevit

Classification

Strunz
10th ed.

8.BK.35

  • 8Phosphates, Arsenates, VanadatesClass
  • 8.BPhosphates, etc., with additional anions, without H2ODivision
  • 8.BKWith medium-sized and large cations, (OH, etc.):RO4 = 2:1, 2.5:1Group
  • 8.BK.35LebedeviteSpecies

Literature, links & citation

Citations
  1. Koshlyakova, N.N., Pekov, I.V., Agakhanov, A.A., Bullock, E., Zubkova, N.V., Vigasina, M.F., Britvin, S.N., Burns, P.C., Hazen, R.M. and Zhitova, E.S. (2024) Lebedevite, IMA 2023-089. CNMNC Newsletter 77; Mineralogical Magazine, 88, https://doi.org/10.1180/mgm.2024.5
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Lebedevite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/lebedevite-471002},
  note      = {Accessed 2026-05-11}
}