A light strong brittle grey toxic bivalent metallic element
English: beryllium, Be, glucinium, atomic number 4
Less certain link between this word and this sense.
Be, atomic number 4, beryllium, gadolinite, glucinium
English: beryllium, Be, glucinium, atomic number 4
Less certain link between this word and this sense.
English: gadolinite, ytterbite
Less certain link between this word and this sense.