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.
G 1266 (OTTO) Germanium lump, 99.999% Cas 7440-56-4 - used as a semiconductor in transistors and various other electronic devices. G 1266 (OTTO) Germanium, lump, 99.999% Cas 7440-56-4 - uses are fibre-optic systems, infrared optics, solar cell applications, and light-emitting diodes (LEDs).