Plechovite

Ca2[K(H2O)]KBe3Si12O30
IMA status
  • Approved
  • Pending publication
IMA symbol
Plc

Where it forms, where it's found

Type locality
Jordanów granite quarry
  1. Gmina Jordanów Śląski
  2. Wrocław County
  3. Lower Silesian Voivodeship
  4. Poland

50.8711°, 16.8383°

1recorded occurrences
Source · OpenStreetMap

Safety & handling

Crystallography

Crystal system
Hexagonal
Space group
#123
Cell parameters
a = 10.4014(2) Å · c = 13.6982(3) Å
Comment

space group P6/mmc

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen3115.999495.969
48.61%
14SiSiliconSilicon1228.085337.020
33.03%
20CaCalciumCalcium240.07880.156
7.85%
19KPotassiumPotassium239.09878.196
7.66%
4BeBerylliumBeryllium39.01227.036
2.65%
1HHydrogenHydrogen21.0082.016
0.20%
Total1020.393100.00%

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

From Mindat formula

In other languages

Catalan
plechovita

Classification

Strunz
10th ed.

9.CM

  • 9SilicatesClass
  • 9.CCyclosilicatesDivision
  • 9.CM[Si6O18]12- 6-membered double rings (sechser-Doppelringe)Group
  • 9.CMPlechoviteSpecies

Group, growth & confusion

Literature, links & citation

Citations
  1. Pieczka, A., Gołębiowska, B., Stachowicz, M., Kotowski, J., Nejbert, K. and Hawthorne, F.C. (2026) Plechovite, IMA 2025-045. CNMNC Newsletter 90, Mineralogical Magazine, 90, https://doi.org/10.1180/mgm.2026.
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Plechovite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/plechovite-499620},
  note      = {Accessed 2026-05-11}
}