Periodic Table · element

Germanium

Ge · Z 32

atomic number

32

atomic mass

72.63

notation

Ge

group

14: Carbon

period

4

state0c

Solid

state20c

Solid

occurrence

Primordial

density

5.323

melting pt

938

boiling pt

2833

discovered

1886

abundance

1.5

ore grade

300

ore minerals

in sphalerite; in coal fly ash

mined as

By-product

extraction

Recovered from zinc-refinery residues and from the fly ash of germanium-rich coals, then chlorinated, distilled and hydrolysed to the oxide.

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From the All Periodical Elements database in Notion, last edited 2026-08-16. This page is the row, rendered by the build; nothing on it is written by hand.