The Fe analogue of mavlyanovite. One of many natural Fe-Si phases; beside the approved species (listed below) you may want to compare Unnamed (Fe silicide I), Unnamed (Fe silicide II) and UM2000-60-Si:Fe.
The Fe(Si)-analogue of wenjiite.
History
Activities related to discovery and approval of the group members
Structural context
Xifengite
Crystal System hexagonalCrystal Class dihexagonal dipyramidalSpace Group P63/mcm
a6.5412—6.8335 (6.7139)
b6.5412—6.8335 (6.7139)
c4.558—4.7426 (4.6821)
alpha90
beta90
gamma120
volume168.896—191.761 (182.8514)
Based on 17 measurements
Chemical context
Stoichiometric formulas
Xifengite
mindat.org
March 13, 2023Fe5Si3
IMA
March 13, 2023Fe5Si3
mineralogy.rocks
Aug. 30, 2022Fe5Si3
Elements recorded on EPMA
17
Fe
17
Si
4
Mn
Physical properties
ColorColor entities, recognized using a custom trained NER model
steel-black
Color noteOriginal color note from the source
Grey, steel-black
StreakStreak entities, recognized using a custom trained NER model