shell and shell material |
chert |
acid igneous rock |
basic igneous rock |
pyrobitumen |
thermoplastic |
hair by form as material |
textile materials by composition or origin |
natural fiber |
sealing compound |
textile materials by form |
plant components |
warp pile weave |
powder |
skin (collagenous material) |
furnishings components |
igneous rock by composition: physical |
processed animal material |
Cingulata (order) |
keratin |
metal by form |
pyroclastic rock |
additive (material) |
ceramic and ceramic by product/cerámica y productos cerámicos |