Materials
- Obsidian3,912 objects
- Chert57 objects
- Flint (rock)18 objects
- Quartz (mineral)10 objects
- Slate (rock)7 objects
- Hornfels6 objects
- Bone (material)5 objects
- Glass (material)5 objects
- Basalt (basic igneous rock)4 objects
- Stone (worked rock)4 objects
- Granite (rock)3 objects
- Petrified wood3 objects
- Lava2 objects
- Quartz crystal2 objects
- Schist2 objects
- Chalcedony1 objects
- Jasper1 objects