Materials
- Obsidian12,641 objects
- Chert399 objects
- Basalt (basic igneous rock)41 objects
- Flint (rock)31 objects
- Quartz (mineral)11 objects
- Bone (material)10 objects
- Slate (rock)9 objects
- Glass (material)8 objects
- Agate (chalcedony)6 objects
- Hornfels6 objects
- Stone (worked rock)4 objects
- Granite (rock)3 objects
- Iron (metal)3 objects
- Jasper3 objects
- Petrified wood3 objects
- Quartz crystal3 objects
- Quartzite3 objects
- Steel (alloy)3 objects
- Lava2 objects
- Opal glass2 objects