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