Materials
- Obsidian2,055 objects
- Basalt (basic igneous rock)267 objects
- Chert252 objects
- Flint (rock)37 objects
- Quartz (mineral)29 objects
- Quartzite27 objects
- Hornfels5 objects
- Chalcedony4 objects
- Limestone3 objects
- Opal glass3 objects
- Mudstone2 objects
- Petrified wood2 objects
- Siliceous rock2 objects
- Amber (fossil resin)1 objects
- Bone (material)1 objects
- Glass (material)1 objects
- Mussel shell1 objects
- Shale1 objects
- Slate (rock)1 objects
- Stone (worked rock)1 objects