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Alpersite
Alpersite crystals (white) with slavíkite
General
Category Mineral
Formula
(repeating unit)
(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: Aps [1]) 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

  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