The sphalerite composition is favored at 298k by 13kJ/mol, but at 1296K the transition to wurtzite takes place.3 Amorphous or "plastic" sulfur is produced by quick cooling of molten sulfur—for instance, by pouring it into chilly drinking water. X-ray crystallography research display that the amorphous sort could have a helical https://spenceroponk.blogzet.com/the-basic-principles-of-zinc-sulfide-43421731