Answer | Crossword Clue |
---|---|
germanites | GERMANITE, a complex mineral, basically copper arsenic sulphide |
germanite | a complex mineral, basically copper arsenic sulphide |
tennantite | a blackish lead-gray mineral, a sulphide of arsenic and copper |
tennantites | TENNANTITE, a blackish lead-gray mineral, a sulphide of arsenic and copper |