After extraction the raw products of mining generally need processing to remove the gangue, to sort, purify, and concentrate the valuable material, and to achieve optimum particle size for further utilization. Ore deposits – the most important object of mineral dressing during the early modern period (see Mining 4.1.) – often contain multiple valuable materials. Here the goal was to remove the barren material and separate the various ores (e.g. copper, lead, and zinc ore,…