Apuanite

Apuanite
Cubic apuanite crystal found at its type locality
General
CategoryMinerals
FormulaFe2+Fe3+4Sb3+4O12S
IMA symbolApu
Identification
ColorBlack
Mohs scale hardness4-5
LusterMetallic
DiaphaneityOpaque
Specific gravity5.33
Density5.33 g/cm3 (Measured)
5.22 g/cm3 (Calculated)

Apuanite (IMA symbol: Apu[1]) is a rare iron antimony mineral with the chemical formula Fe2+Fe3+4Sb3+4O12S whose type locality is the Province of Lucca in Italy.[2]

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. ^ Apuanite Archived 2019-03-27 at the Wayback Machine on mindat.org
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