Iron powder has several uses; for example production of magnetic alloys and certain types of steels. Iron powder is formed as a whole from several other iron particles. The particle sizes vary anywhere…

Baryte, barite or barytes is a mineral consisting of barium sulfate (BaSO4). Baryte is generally white or colorless, and is the main source of the element barium. The baryte group consists of baryte, celestine (strontium sulfate), anglesite (lead sulfate), and anhydrite (calcium sulfate). Baryte and celestine form a solid…

Calcium carbonate is a chemical compound with the formula CaCO₃.The thermodynamically stable form of CaCO₃ under normal conditions is hexagonal β-CaCO₃.Calcite, aragonite and vaterite are pure calcium carbonate minerals.