Ytterby is a village near Vaxholm in Sweden. There is a quarry in Ytterby where unusual minerals were discovered and these minerals gave rise to the following chemical elements:
Sweden, and more specifically the village of Ytterby in Stockholm's archipelago, has played an important role in the history of rare earth elements since many of them were first discovered there, e.g. gadolinium (named after Professor Johan Gadolin), holmium (from the Latin name for Stockholm), thulium ( Thule is an old word for the Nordic countriesThe Nordic countries is a term used collectively for five countries in Northern Europe. The Nordic countries have an aggregate population of about 24 million. The Nordic Countries are also the member countries of the Nordic Council: Denmark Finland Icelan) and, of course, ytterbium, erbium, terbium and yttrium, all of which were named after Ytterby itself.
