Alpersite

Химия

IMA chemistry:: Mg(SO4)·7H2O
Valence chemistry:: MgS6+O4·7H2O

Классификация

Crystal systems:: monoclinic
Space groups:: P21, c
Structural group:: Melanterite
IMA status:: Approved

Происхождение

Country:: USA
Published:: 2003
Oldest age Ma:: 2500
Paragenetic modes:: Biotic, Secondary, Stage 7: Great Oxidation Event, PM45 - Oxidized fumarolic minerals, PM47 - Low-T subaerial oxidative hydration/weathering, Stage 10b: Anthropogenic minerals, PM55 - Anthropogenic mine minerals

Примечания

Peterson R C, Hammarstrom J M, Seal R R (2006) Alpersite (Mg,Cu)SO4·7H2O, a new mineral of the melanterite group, and cuprian pentahydrite: Their occurrence within mine waste. American Mineralogist 91, 261-269 Chemical formula changed from (Mg,Cu)SO4·7H2O: Miyawaki R, Hatert F, Pasero M, Mills S J (2019) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 50. New minerals and nomenclature modifications approved in 2019. Mineralogical Magazine 83, 615-620