Crucible

For the play, see The Crucible.

For other uses, see Crucible (disambiguation).

A modern crucible used in the production of silicon ingots via the Czochralski process

Smaller clay graphite crucibles for copper alloy melting

A crucible is a container in which metals or other substances are melted or subjected to very high temperatures. Although crucibles have historically tended to be made out of clay, they can be made from any material that withstands temperatures high enough to melt or otherwise alter its contents.