Materials
- Chert16 objects
- Flint (rock)10 objects
- Quartz (mineral)10 objects
- Quartzite9 objects
- Ceramic (material)8 objects
- Obsidian3 objects
- Bone (material)2 objects
- Indurated shale2 objects
- Iron (metal)2 objects
- Ostrich eggshell2 objects
- Sandstone2 objects
- Andesite1 objects
- Glass (material)1 objects
- Lava1 objects
- Ocher (pigment)1 objects
- Shell (animal material)1 objects