term,name,definition,category,provenance,provenance_uri,note gadolinium,Gadolinium,"Gadolinium is a chemical element with symbol Gd and atomic number 64. Gadolinium is a silvery-white, malleable, and ductile rare earth metal. It is found in nature only in oxidized form, and even when separated, it usually has impurities of the other rare earths.",,Wikipedia,https://en.wikipedia.org/wiki/Gadolinium,Added to support Critical Zone Observatory (CZO) data use cases.