Aluminocopiapite (IMA symbol: Acpi[1]) is an aluminium iron sulfate mineral with the chemical formula Al2/3Fe3+4(SO4)6(OH)2·20H2O. Its type localities are Fortymile River in Alaska and the San Rafael Swell in Utah.[2]

Aluminocopiapite
Aluminocopiapite found in Spain
General
CategoryMineral
Formula
(repeating unit)
Al2/3Fe3+4(SO4)6(OH)2·20H2O
IMA symbolAcpi
Identification
ColorPale lemon-yellow to deep yellow
TenacityFragile
Mohs scale hardness2-3
LusterVitreous
DiaphaneityTransparent, Translucent
Specific gravity2.163

References

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  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. ^ Aluminocopiapite Archived 2019-03-21 at the Wayback Machine on mindat.org
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