Graphite ore flotation processing flow chart. Graphite ore can be divided into crystalline graphite, flake graphite and graphite ore with a variety of gangue. The graphite ore beneficiation process is mainly for the graphite ore with different crystal forms, such as graphite ore, pyrite or mica. prices, mineral resource exploration and development capabilities, recovery rates and other operational capabilities, the availability of mining and processing equipment, the ability to produce and transport products profitably, the impact of foreign currency exchange rates on market prices and operating costs, the availability of sufficient ... The challenge Start beneficiating oxide ore alongside sulfide ore. In the mining industry, beneficiation increases the value of the ore by removing the gangue minerals, i.e. the worthless material mixed in with the desired substance. In 2018, Comika was already beneficiating sulfide ore and moving into oxide ore.