| Xieite | |
| Category: | Oxide minerals |
| Formula: | Fe2+Cr2O4 |
| Imasymbol: | Xi[1] |
| 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 |
| Gravity: | 5.63 |
| References: | [2] [3] |
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.[3]
It was discovered in samples taken from the Suizhou meteorite which fell in 1986 in the Zengdu District of China.[3]