🔬 Discovery

Cobalt

Cobalto (Co, Z=27)

Date
1735 · confidence high
Place
Stockholm, Sweden
Credited to
Georg Brandt
People
👤 Georg Brandt1694–1768
Field
Matter & energy

What was discovered

Brandt showed that the blue colour of certain glasses was due to a new metal, not bismuth, isolating it from 'kobold' ores.

The name comes from 'kobolds', goblins that miners blamed for worthless ores.

What it led to

  • The first metal discovered in historical times by an identifiable person
  • Cobalt blue pigments and enamel
  • Superalloys and cobalt batteries

Built on

  • Medieval cobalt-blue glass
  • Metallurgical assays

Made possible

  • Superalloys for turbines
  • Cobalt cathode in batteries

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