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).
Stunning Electric-Blue Flames Erupt From Volcanoes. Indonesia's Kawah Ijen and other craters emit rivers of light from burning sulfur. Sulfur combusts on contact with air to create stunning blue lava-like rivers of light in the Kawah Ijen crater on the island of Java.