Apuanite

{{Short description|Antimonite mineral}}

{{Infobox mineral

| name = Apuanite

| image = Apuanite.jpg

| caption = Cubic apuanite crystal found at its type locality

| formula = Fe{{sup|2+}}Fe{{sup|3+}}{{sub|4}}Sb{{sup|3+}}{{sub|4}}O{{sub|12}}S

| IMAsymbol = Apu

| color = Black

| mohs = 4-5

| luster = Metallic

| diaphaneity = Opaque

| gravity = 5.33

| density = 5.33 g/cm3 (Measured)
5.22 g/cm3 (Calculated)

}}

Apuanite (IMA symbol: Apu{{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}}) is a rare iron antimony mineral with the chemical formula Fe{{sup|2+}}Fe{{sup|3+}}{{sub|4}}Sb{{sup|3+}}{{sub|4}}O{{sub|12}}S whose type locality is the Province of Lucca in Italy.[https://mindat.org/min-285.html Apuanite] {{Webarchive|url=https://web.archive.org/web/20190327134635/https://www.mindat.org/min-285.html |date=2019-03-27 }} on mindat.org