Palm's Cobalt Carbonate Paste is an inorganic compound with the formula CoCO3 and a weight of 46.5 %. Cobalt Carbonate is a precursor to cobalt carbonyl and various cobalt salts. It is a component of dietary supplements since cobalt is an essential element and a precursor to blue pottery glazes. Cobalt Carbonate is manufactured to stringent quality standards and testing measures. Additional concentrations available upon request.