| sedimentary rock by form |
| seed (material)/semilla |
| seed and seed components materials |
| seed beads |
| seed components as materials |
| seeds (plant components) |
| shale |
| shell and shell material |
| shellac |
| size |
| size (material) |
| skeletons (animal components) |
| skeletons and skeleton components |
| skin (collagenous material) |
| slate |
| spirit varnish |
| stone by quality |
| surface preparation materials |
| synthetic fiber |
| tahuana (Carludovica trigona) |
| tar |
| temper |
| textile materials by composition or origin |
| textile materials by form |