What did Georges Seurat paint with?

Seurat used many painting technequs with his paintings and he also used many materials.

George Seurat is most famous for his use of pointillism, in which he used many little dots to produce a realistic image. He is well-known for his famous work, "Sunday Afternoon on the Island of La Grande Jatte," where he used pointillism. This work was an oil-painting on canvas.
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