Silica gravel, feldspat, quartz, talk, cat litter.
Sepiolite, sepiolite clay, bentonite, diatomite, marble, granite, zeolite, kaoline, attapulgite, jips, Quartz.Transportation
Silica sand, quartz, feldspar, bauxite, limestone, iron ore, iron oxide, mill scale, manganese, manganese oxide, basalt, antimony, olivine.Manufacturing