Interestingly, antimony sulfide which is a black powder was used in biblical times as a cosmetic to darken and beautify a woman's eyebrows. Group VIA - Oxygen was named by Lavoisier based on his mistaken belief that oxygen was an essential component of acids. The name derives from the Greek words oxys , sharp and geinomai , I produce. Tellurium comes from the Latin tellus , earth while Selenium which resembled Tellurium is from the Greek selene , the moon. Polonium is, of course, named by M. curie in honor of her homeland, Poland.
Fluorine is derived from the early use of fluospar as a flux, thus the Latin fluor , to flow.
Fluorspar also emits light when heated which led to the term fluorescence. Chlorine was difficult to isolate in pure form and takes its name from the Greek chloros , yellow green, a description of the color of chlorine gas. Bromine is derived from the Greek word for stink while iodine is from the Greek for violet-colored. And finally Astatine is from the Greek for unstable. All of these elements are derived from descriptive Greek words.