Explanatory notes
… ores and concentrates 2616.90 ‑ Other The principal ores generally classified in this heading are : (a) Argentite, … (or horn silver), silver chlorides and iodides. (d) Polybasite, sulphide of silver and antimony. (e) … antimony. (h) Gold and platinum‑bearing sands; the latter frequently contain other metals of the platinum group (i.e., …