A natural material is any product or physical matter that comes from plants, animals, or the ground. 1  Minerals and the metals that can be extracted from them (without further modification) are also considered to belong into this category. Natural materials are also often used in textiles. Types include: the cannabis plant, especially when grown for its fiber. meaning of hemp. Biotic materials; Wood (rattan, bamboo, bark, etc.) Natural fiber (silk, wool, cotton, flax, hemp, jute, kapok, kenaf, moss, etc.) Inorganic material Stone (flint, granite, obsidian, sandstone, sand, gems, glass, etc.) Native metal (copper, bronze, iron, gold, silver, etc.) Composites (clay, porcelain, plasticine, etc.) Other natural materials. Soil; See also. Earth structure; Material science; Natural resources; Synthetic material. Metamaterials