Germanium is a lustrous, hard, gray-white semi-metallic element with a crystalline and brittle structure. It is a semiconductor. Germanium and the oxide are transparent to infrared radiation. Metal also has the unusual property that (like water) it expands as it freezes.
The most common use of germanium is as a semiconductor. Germanium is used in transistors and in integrated circuits. It is used as an alloying agent and as a catalyst. It is also used in infrared spectroscopes and infrared detectors.
Metals we sell
The copper, nickel, tin and zinc metals are priced and hedged using the London Metal Exchange (LME), which allows our customer to fix price forward basis current market prices.