Chemistry:Apuanite

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Apuanite
Apuanite.jpg
Cubic apuanite crystal found at its type locality
General
CategoryMineral
Formula
(repeating unit)
Fe2+Fe3+4Sb3+4O12S
Identification
ColorBlack
Mohs scale hardness4-5
|re|er}}Metallic
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. Its type locality is the Province of Lucca, Italy.[2]

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