“…The rock olivine melilitite is composed of 40% mellite, 30% phlogopite, 15% clinoperoxene, 10% olivine, 5% opaque minerals, trace iron oxides, agilominerals and talc. In the chemical composition it has 35.7% Silicon oxides (SiO2), 17.4% Magnesium oxides (MgO), 14.85% Calcium oxides (CaO), 10.5% Iron oxides (Fe2O3), 2.73% Potassium oxides (K2O), 1.18% Phosphorus pentoxide (P2O5), 0.33% Sulfur (S) and 0.19% Manganese oxides (MnO), 94ppm Zinc (Zn), 63ppm Copper (Cu), 57ppm Cobalt (Co) and 385ppm Nickel (Ni) (Almeida et al 2022;Galina et al 2023).…”