Answer | Crossword Clue |
---|---|
niccolites | NICCOLITE, an arsenide of nickel, of a copper-red color and metallic luster |
niccolite | an arsenide of nickel, of a copper-red color and metallic luster |
stannite | mineral, iron-black to steel-gray in color, with a metallic luster, copper iron tin sulfide, Cu2FeSnS4: an ore of tin |