Is ceramics made out of fossil fuels?

Answer 1

No. Plastics are though.

It does take energy to convert the ceramic powders to a finished object. Typically the firing process is from a direct fire application which involves the use of natural gas, propane or in some cases oil fired burners. Electrical heating is also possible in most cases and depending on the method used to produce that electricity, there is the possibility that fossil fuels are involved.

Answer 2

Ceramics are typically made from clay minerals and other natural materials like silica, feldspar, and kaolin. These materials are fired at high temperatures to form ceramics, and fossil fuels may be used to power the kilns that carry out the firing process. However, the ceramics themselves are not made directly from fossil fuels.