Article · Wikipedia archive · Last revised Jun 21, 2026

Alpersite

Alpersite (IMA symbol: Aps) is a magnesium copper sulfate mineral with the chemical formula (Mg,Cu)[SO4]·7H2O. It is named after United States Geological Survey geochemist Charles N. Alpers and was first described in 2006.

Last revised
Jun 21, 2026
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≈ 1 min
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Wikipedia ↗
Alpersite
Alpersite crystals (white) with slavíkite
General
CategoryMinerals
Formula(Mg,Cu)[SO4]·7H2O
IMA symbolAps
Identification
ColorBlue, pale blue, whitish, turquoise
FractureIrregular/Uneven
TenacityBrittle
Mohs scale hardness2.5
LusterVitreous
StreakWhite
DiaphaneityTransparent
Specific gravity1.820

Alpersite (IMA symbol: Aps1) is a magnesium copper sulfate mineral with the chemical formula (Mg,Cu)[SO4]·7H2O. It is named after United States Geological Survey geochemist Charles N. Alpers and was first described in 2006.2

References

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. Alpersite Archived 2019-03-26 at the Wayback Machine on mindat.org