Element, metalloid, does not occur on Earth in the native state
Specific gravity: 5.323
Melting point: 938oC
Boiling point: 2830oC
Abundance in the Earth’s crust: 1.5 parts per million by mass, 0.42 parts per million by moles
Abundance in the Solar System: 200 parts per billion by mass, 3 parts per billion by moles (ChC).
Occurrence: The main ore of germanium is germanite, which is about 7% germanium.
Germanium-bearing minerals include:
Back to Minerals