Materials
- Obsidian2,955 objects
- Acetate film201 objects
- Glass (material)181 objects
- Plate glass166 objects
- Chert154 objects
- Leather94 objects
- Basalt (basic igneous rock)41 objects
- Wood (plant material)41 objects
- Flint (rock)38 objects
- Bone (material)32 objects
- Metal25 objects
- Ocher (pigment)23 objects
- Cattail (material)22 objects
- Ceramic (material)22 objects
- Opal14 objects
- Slate (rock)11 objects
- Willow (wood)11 objects
- Hornfels8 objects
- Quartzite8 objects
- Silver (metal)8 objects