The sphalerite framework is favored at 298k by 13kJ/mol, but at 1296K the changeover to wurtzite occurs.3 Amorphous or "plastic" sulfur is made by swift cooling of molten sulfur—for instance, by pouring it into cold drinking water. X-ray crystallography reports present the amorphous form could possibly have a helical construction https://devinubfii.blogginaway.com/28273580/top-infrared-zinc-sulfide-secrets