Aleksite (IMA symbol: Alk) is a rare lead bismuth tellurium sulfosalt mineral with formula PbBi2Te2S2.
References
Warr, L.N. (2021). "IMA-CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616. https://doi.org/10.1180%2Fmgm.2021.43 ↩
Lipovetskii A. G., Borodaev Yu. S. and Zav'yalov E. N. 1978: Aleksite, PbBi2Te2S2, a new mineral. Zapiski Vsesoyuznego Mineralogicheskogo Obshchestva, 107, 315-321, in Fleischer M., Chao G. Y. and Mandarino J. A. 1979: New mineral names. American Mineralogist, 64, 652-659 - [1] http://rruff.info/uploads/AM64_652.pdf ↩
http://www.handbookofmineralogy.org/pdfs/aleksite.pdf Handbook of Mineralogy http://www.handbookofmineralogy.org/pdfs/aleksite.pdf ↩