{{Infobox mineral | name = Aleksite | boxwidth = | boxbgcolor = | image = File:Aleksite.jpg | imagesize = | alt = | caption = Alkesite on matrix | category = sulfosalt mineral | formula = PbBi2Te2S2 | molweight = | strunz = | dana = | system = Trigonal | class = 3m | symmetry = ''P{{overline|3}}m1'' (no. 164) | unit cell = | color = | colour = | habit = | twinning = | cleavage = | fracture = | tenacity = | toughness = | mohs = 2.5 | luster = metallic | streak = pale green | diaphaneity = | gravity = 7.80 | density = | polish = | opticalprop = | refractive = | birefringence = | pleochroism = | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | Curie temp = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = }}

'''Aleksite''' (IMA symbol: Alk<ref>{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA-CNMNC approved mineral symbols|journal=Mineralogical Magazine|volume=85|issue=3|pages=291–320|doi=10.1180/mgm.2021.43|bibcode=2021MinM...85..291W|s2cid=235729616|doi-access=free}}</ref>) is a rare lead bismuth tellurium sulfosalt mineral with formula PbBi<sub>2</sub>Te<sub>2</sub>S<sub>2</sub>.<ref>Lipovetskii A. G., Borodaev Yu. S. and Zav'yalov E. N. 1978: Aleksite, PbBi<sub>2</sub>Te<sub>2</sub>S<sub>2</sub>, 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 - [http://rruff.info/uploads/AM64_652.pdf]</ref><ref>[http://www.mindat.org/min-108.html Mindat]</ref><ref>http://www.handbookofmineralogy.org/pdfs/aleksite.pdf Handbook of Mineralogy</ref>

==References== <references/>

Category:Sulfosalt minerals Category:Bismuth minerals Category:Trigonal minerals Category:Minerals in space group 164

{{sulfide-mineral-stub}}