Answer | Crossword Clue |
---|---|
chalcocites | CHALCOCITE, a greyish-black mineral, native copper sulphide |
chalcocite | a greyish-black mineral, native copper sulphide |
polybasite | a grey to black mineral consisting of a sulphide of silver, antimony, and copper in the form of platelike monoclinic crystals |
polybasites | POLYBASITE, a grey to black mineral consisting of a sulphide of silver, antimony, and copper in the form of platelike monoclinic crystals |