Where is platinum most abundant?
Platinum
Of the 218tonnes of platinum sold in 2014, 98tonnes were used for vehicle emissions control devices (45%), 74.7tonnes for jewelry (34%), 20.0tonnes for chemical production and petroleum refining (9.2%), and 5.85tonnes for electrical applications such as hard disk drives (2.7%). The remaining 28.9tonnes went to various other minor applications, such as medicine and biomedicine, glassmaking equipment, investment, electrodes, anticancer drugs, oxygen sensors, spark plugs and turbine engines.[59]