Wikipedia / Natural material
Wikipedia / Natural material
A natural material comes from plants, animals, or the earth, and has not been made by humans. Minerals and the metals that can be extracted from them (without further modification) are also considered to belong into this category. Natural materials are used as building materials and clothing. Types include:
Plant fiber (coir, ramie, sisal, cotton, flax, hemp, jute, kapok, kenaf, moss, linen, abacá, etc.)
Animal fiber (wool, silk, alpaca, camel, angora, cashmere, mohair, etc.)
Inorganic material
Stone (flint, granite, limestone, obsidian, sandstone, sand, gems, glass, etc.)
Native metal (copper, iron, gold, silver, etc.)
Compositess (clay, plasticine, etc.)
Other natural materials.
See also
Greystone (residential buildings made from limestone)