underthescopemineral:Marcasite, Calcite FeS2,CaCO3Locality:Limites quarry, Ave-et-Auffe, Rochef
underthescopemineral:Marcasite, Calcite FeS2,CaCO3Locality:Limites quarry, Ave-et-Auffe, Rochefort, Namur, Wallonia, BelgiumField of view: 0.8cm Iridescent Marcasite on Calcite. Photo by Harjo Neutkens -- source link
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