Materials
- Obsidian2,860 objects
- Flint (rock)175 objects
- Chert74 objects
- Basalt (basic igneous rock)4 objects
- Opal3 objects
- Quartz (mineral)3 objects
- Agate (chalcedony)1 objects
- Glass (material)1 objects
- Iron (metal)1 objects
- Jasper1 objects
- Petrified wood1 objects