Category Oxide minerals Space group Bbmm Formula (repeating unit) Fe2+Cr2O4 Color Golden yellow | Strunz classification 4.BB.25 Specific gravity 5.63 Formula mass 453.91 g/mol | |
Crystal class Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m) Unit cell a = 9.462(6) Å
b = 9.562(9) Å
c = 2.916(1) Å: Z = 4 Crystal system Orthorhombic crystal system | ||
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
Xieite Wikipedia(Text) CC BY-SA