Description: Botryogen & Halotrichite 33 level, Pozo Alfredo, Río Tinto mines. Huelva, Spain FOV 14,98mm 1,5x. Focus rail MacroRail. Canon EOS 600D. Ikea lights Photo: Oscar Fernández Arcís, Mineral: Manuel de Torres

All pictures, text, design © Forum FMF 2006-2024