{{Infobox mineral | name = Avicennite | category = | boxwidth = | boxbgcolor = | image =Avicennite.jpg | caption = | formula = Tl<sub>2</sub>O<sub>3</sub> | molweight = | strunz = 4.CB.10 | dana = 04.03.08.01 | system = Cubic | class = Diploidal (m{{overline|3}}) <br />H-M symbol: (2/m {{overline|3}}) | symmetry = ''I''a{{overline|3}} | unit cell = | color = Grayish black with brownish black tint | habit = | twinning = | cleavage = | fracture = | tenacity = | mohs = 2<ref>{{Cite web|url=http://webmineral.com/data/Avicennite.shtml#.XAWcM3WYVhE|title = Avicennite Mineral Data}}</ref> | luster = | refractive = | opticalprop = | birefringence = | pleochroism = | streak = | gravity = | density = 8.9<ref name=Mindat>[http://www.mindat.org/min-437.html Mindat - Avicennite]</ref> | melt = | fusibility = | diagnostic = | solubility = | diaphaneity = | other = | references = }} '''Avicennite''' (thallium(III) oxide) is an oxide mineral. It was discovered around the Dzhuzumli village, Samarqand, Uzbekistan.<ref name=Mindat>[http://www.mindat.org/min-437.html Mindat - Avicennite]</ref> It is named after Avicenna, a Persian doctor and polymath.<ref name=HOM>{{cite book |editor-first1=John W. |editor-last1=Anthony |editor-first2=Richard A. |editor-last2=Bideaux |editor-first3=Kenneth W. |editor-last3=Bladh |editor-first4=Monte C. |editor-last4=Nichols |title=Handbook of Mineralogy |publisher=Mineralogical Society of America |location=Chantilly, VA, USA |url=http://www.handbookofmineralogy.org/pdfs/avicennite.pdf |access-date=13 March 2022 |chapter=Avicennite}}</ref>
==See also== *List of minerals *List of minerals named after people
== References == {{Reflist}}
Category:Thallium minerals Category:Oxide minerals Category:Cubic minerals Category:Minerals in space group 206 Category:Minerals described in 1958