Materials
- Obsidian1,598 objects
- Chert170 objects
- Basalt (basic igneous rock)63 objects
- Flint (rock)36 objects
- Quartz (mineral)24 objects
- Quartzite19 objects
- Opal glass15 objects
- Siliceous rock14 objects
- Petrified wood6 objects
- Sandstone5 objects
- Ceramic (material)1 objects
- Chalcedony1 objects
- Gypsum1 objects
- Hornfels1 objects
- Obsidian (387)1 objects
- Olivella shell1 objects
- Opal1 objects