| 词条 | Xieite |
| 释义 |
| name = Xieite | category = Oxide minerals | image = | caption = | formula = Fe2+Cr2O4 | 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 | habit = | twinning = | cleavage = | fracture = | tenacity = | mohs = | luster = | polish = | refractive = | opticalprop = | birefringence = | dispersion = | pleochroism = | fluorescence= | absorption = | streak = | gravity = 5.63 | density = | melt = | fusibility = | diagnostic = | solubility = | diaphaneity = | other = | references =[1][2] }}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.[2] It was discovered in samples taken from the Suizhou meteorite which fell in 1986 in the Zengdu District of China.[2] References1. ^Xieite mineral data from Webmineral {{oxide-mineral-stub}}2. ^1 2 Mindat.org 3 : Oxide minerals|Meteorite minerals|Orthorhombic minerals |
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