Linzhiite

Iron silicide mineral
(repeating unit)FeSi2IMA symbolLzh[1]Strunz classification1.BB.20Crystal systemTetragonal – ditetragonal dipyramidalCrystal classH-M symbol (4/m 2/m 2/m)
Space group P4/mmmUnit cella = 2.69 Å, c = 5.08 Å, Z = 1IdentificationColorSteel greyCleavageNoneFractureBrittle – conchoidalMohs scale hardness6.5LusterMetallicStreakGrayish blackDiaphaneityOpaqueSpecific gravity5.05References[2][3]

Linzhiite is an iron silicide mineral with the formula FeSi2. It was discovered in the 1960s in Donetsk Oblast in Soviet Union, and named ferdisilicite, but was not approved by the International Mineralogical Association. It was later rediscovered near Linzhi in Tibet. Linzhiite occurs together with other rare iron silicide minerals, xifengite (Fe5Si3) and naquite (FeSi).[3]

References

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ Linzhiite. Mindat
  3. ^ a b Ferdisilicite. webmineral.com