Xieite

{{Short description|Oxide mineral}}

{{Infobox mineral

| name = Xieite

| category = Oxide minerals

| image =

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| formula = Fe2+Cr2O4

| IMAsymbol = Xi{{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}}

| molweight = 453.91 g/mol

| strunz = 4.BB.25

| system = Orthorhombic

| class = Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)

| symmetry = Bbmm

| unit cell = a = 9.462(6) Å
b = 9.562(9) Å
c = 2.916(1) Å: Z = 4

| color = Golden yellow

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| gravity = 5.63

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| references =[http://webmineral.com/data/Xieite.shtml Xieite mineral data from Webmineral][http://www.mindat.org/min-35792.html Mindat.org]

}}

Xieite is an iron chromium oxide mineral with formula Fe2+Cr2O4. It is a member of the spinel group and a high pressure polymorph of chromite.

It was discovered in samples taken from the Suizhou meteorite which fell in 1986 in the Zengdu District of China.

References