Euchlorine : KNaCu3(SO4)3O
Chalcanthite : CuSO4·5H2O
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“Green euchlorine masses with chalcanthite (probably after chalcocyanite) - SCXRD and EDX confirmed - 1868-70 eruption - Ex Comptoir Geologique de Paris and Ex E.D. Drown collection - Academy of Natural Sciences of Philadelphia n° 19187. - Canon EOS 5D Mark II camera, bellows, Olympus Zuiko 38 mm macro.”
Italo Campostrini - 11th June 2019
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