Rachel is a 35 year old school teacher who has no man in her life and lives with her mother.
Each element give off a particular color when heated in a flame. (Some are colorless). Copper gives off a green flame but to do that there must be some copper compound IN the flame. (there are many other elements that also could be causing a green flame).
Typical flame test colors are the same as coloring compounds for fireworks. Calcium gives a Red-Orange. Boron gives bright Green. Barium is Yellow-Green. Copper (II) as a halide gives Bluish-Green. Other Copper (II) salts give a Emerald Green. Molybdenum gives a Yellowish Green. Phosphorus gives a Pale Bluish Green. Lead, Tellutium and Antimony are Pale Green.