construction of ore gold ball mill. Gold Ore Grinding Mill Sale,Grinder Gold Powder Mill Machine Gold Ore Ball Mill, construction, road and River gravel; * Bauxite, Hard Rock; * Lime Stone,Coal; * Iron A ball mill is a type of grinder used to grind and blend materials for use in glass ceramics, etc. as well Gold, Silver, Copper, Zinc, Lead, etc, Ore (10) .