About the element

Germanium is a chemical element with the symbol Ge and atomic number 32. It is a lustrous, hard-brittle, grayish-white metalloid in the carbon group, chemically similar to its group neighbours silicon and tin. Pure germanium is a semiconductor with an appearance similar to elemental silicon.

Elements-Ge

Key facts

Most of the targeted by-products elements are Critical Raw Materials (CRMs). CRMs combine raw materials of high importance to the EU economy and of high risk associated with their supply.

  • Symbol: Ge
  • Melting point: 938.2 °C
  • Atomic number: 32
  • Atomic mass: 72.64 u

Germanium has five naturally occurring isotopes, 70Ge, 72Ge, 73Ge, 74Ge, 76Ge.

More on Germanium.