Gadolinium is the 64th element in the periodic table.

Lutetium is one of the rare earth elements.

Indium is one of the chemical elements, its symbol is In, and its atomic number is 49.

Thulium is a rare element, mainly used in the manufacture of lasers.

Hafnium is a chemical element with atomic number 72.

Cerium is one of the rare earth elements.

Yttrium is one of the rare earth elements.

Rhodium is a type of precious metal, very rare and valuable.

Gallium is one of the elements on the periodic table.

Osmium is the densest element on Earth.