A Natural fiber is one that is sourced from plants,
animals, and minerals. These naturally occurring fibers can be classified
according to their origin:
Vegetable Fibers:
are natural fibers, found in the cell wall of plants, and are cellulosic in
composition.
Some of the popular natural vegetable based fibers are:
Animal Fibers:
are produced from animals or insects, and are protein in composition. Animal
fibers consist largely of particular proteins. Wool and silk are popularly
used natural fibers sourced from animals.
Mineral Fibers:
are sourced from natural minerals and stones. Asbestos is a mineral based
natural fiber used for different types of textile.