Fluorspar (grades: 80% 85%, 75% 80%, 70% 75%, 65% 60% and below 60%), quartz (lump and fine sio2 97% 99%), silica sand (any mesh size si02 95% 98%), mangesite (mgo 43% to 50%), maganese (mn 25% to 35%), limestone (90% to 95%), gypsum (caco4 85% to 95%), dolomite, mica, feldspar, calcium carbonate, barite (sp gravity 4.1/4.2/4.3 & basf4 87% to 90%).
