A single tiny green grain of the extremely rare Ramaccioniite. EDS analysed. Previously in the Dr. Frank Keutsch collection. From: Los Llantenes mining district, La Rioja Province, Argentina. — Photo: Nekkhi Murtishi · CC BY 4.0
Ramaccioniite
Ramaccioniite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Cu₄[SeO₄](OH)₆.
It crystallizes in the monoclinic crystal system (space group P2_1/a). It is a member of the Brochantite structural group.
IMA symbol Rmc, IMA status: approved, named in 2018.
It is found associated with Distribution From Mina San Pedro, Cuesta de Los Llantenes mining district, northwest Jagüé, Vinchina Department, La Rioja Province, Argentina.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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