🔬 Discovery

Garnierite and the nickel of New Caledonia

Garnierita y níquel de Nueva Caledonia

Date
1864 · confidence medium
Place
Thio, New Caledonia, France
Credited to
Jules Garnier
Field
Cosmos & Earth

What was discovered

Engineer Jules Garnier discovered large deposits of nickel-magnesium silicate (garnierite) in New Caledonia in 1864. It began the exploitation of nickel laterites, which today yield a large share of the world's nickel.

The attribution to Garnier is the traditional one; the mineral was named in his honour. Commercial exploitation began in the following years.

What it led to

  • the global nickel and stainless steel industry
  • New Caledonian mining and land conflicts with the Kanak people
  • laterite smelting processes
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Sources✓ verified 2026-11-04