Chemistry:Heptasartorite

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Heptasartorite
General
CategorySulfosalt
Formula
(repeating unit)
Tl7Pb22As55S108
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
(same H-M symbol)
Space groupP21/c
Unit cella = 37.62, b = 7.88,
c = 20.07 [Å], β = 101.93° (approximated)
Identification
References[1][2]

Heptasartorite is a very rare mineral[2] with formula Tl7Pb22As55S108. It belongs to sartorite homologous series.[1] It is related to other recently approved minerals of the series: enneasartorite and hendekasartorite.[4][5] All three minerals come from a quarry in Lengenbach, Switzerland, which is famous of thallium minerals.[6] Chemically similar minerals include edenharterite and hutchinsonite.[7][8]

References

  1. 1.0 1.1 Topa, D., Stroeger, B., Makovicky, E., Berlepsch, P., and Stanley, C., 2015. Heptasartorite, IMA 2015-073. CNMNC Newsletter No. 28, December 2015, 1861; Mineralogical Magazine 79, 1859–1864
  2. 2.0 2.1 "Heptasartorite: Heptasartorite mineral information and data". http://www.mindat.org/min-46890.html. Retrieved 2016-03-04. 
  3. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine 85 (3): 291–320. doi:10.1180/mgm.2021.43. Bibcode2021MinM...85..291W. 
  4. "Enneasartorite: Enneasartorite mineral information and data". http://www.mindat.org/min-46892.html. Retrieved 2016-03-10. 
  5. "Hendekasartorite: Hendekasartorite mineral information and data". http://www.mindat.org/min-46894.html. Retrieved 2016-03-10. 
  6. "Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland - Mindat.org". http://www.mindat.org/loc-3207.html. Retrieved 2016-03-10. 
  7. "Edenharterite: Edenharterite mineral information and data". http://www.mindat.org/min-1350.html. Retrieved 2016-03-10. 
  8. "Hutchinsonite: Hutchinsonite mineral information and data". http://www.mindat.org/min-1954.html. Retrieved 2016-03-10.