1829 Atacamite, Malachite, Fluorite, Dickite, Goethite, Quartz, Mount Gunson Copper mines, Pernatty Lagoon, South Australia
A bit of layering here. The bottom layer is quartz crystals, and they are completely covered in goethite. Next is white dickite. On top of the dickite are colourless-grey fluorite cubes (not fluorescent). These in...