Natural fibers may be obtained from plant, animal, and mineral sources.
Those from plant sources include cotton, flax, hemp, sisal, jute, kenaf, and coconut. Fibers from animal sources include silk, wool, angora, alpaca and mohair. Those from mineral sources include asbestos and metalfibers.
Natural fibers can be spun into filaments, thread, or rope.
Plant fibers cotton, jute, flax, ramie, sisal, and hemp.