Materials
- Obsidian6,440 objects
- Chert555 objects
- Flint (rock)349 objects
- Basalt (basic igneous rock)278 objects
- Quartz (mineral)47 objects
- Quartzite42 objects
- Porphyry29 objects
- Petrified wood10 objects
- Slate (rock)10 objects
- Bone (material)8 objects
- Dacite7 objects
- Chalcedony6 objects
- Hornfels5 objects
- Jasper5 objects
- Brick (clay material)4 objects
- Opal glass4 objects
- Wood (plant material)4 objects
- Agate (chalcedony)3 objects
- Glass (material)3 objects
- Indurated shale3 objects