Germanium

Discovered

1886

Density

5.3 g/cm³

Melts

938 °C

1720 °F
1211 °K

Boils

2832 °C

5130 °F
3105 °K

Show sources

University of Colorado Boulder

Harper College

PubChem (NIH.gov)

Contributed by the site creator

Small pieces of Germanium. The subtle olive-colored sheen and glassy reflection of this metalloid are visible in this sample, but the smooth surface is not as noticeable. Holding these pieces felt like holding small pieces of Silicon, but denser, and less brittle by a small margin.

Contributed by collector no. 2

Shiny, glassy chunks of Germanium in a bottle

Contributed by collector no. 3

Carbon group elements! from left to right: Carbon , Silicon , Germanium , beta- Tin pest, alpha- Tin metal, Lead shot

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