- Tallinn, Estonia
- US $25.00
- Jun 9th
Germanium metal, two pieces, 99.999%, 3.81g Linear Formula: Ge Atomic Weight: 72.63 Germanium is a chemical element with symbol Ge and atomic number 32. It is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. Purified germanium is a semiconductor, with an appearance most similar to elemental silicon.