Materials
- Obsidian8,128 objects
- Chert590 objects
- Basalt (basic igneous rock)336 objects
- Flint (rock)218 objects
- Quartzite53 objects
- Quartz (mineral)36 objects
- Porphyry29 objects
- Jasper8 objects
- Slate (rock)8 objects
- Dacite7 objects
- Petrified wood7 objects
- Chalcedony6 objects
- Agate (chalcedony)5 objects
- Hornfels5 objects
- Limestone5 objects
- Opal glass5 objects
- Brick (clay material)4 objects
- Glass (material)4 objects
- Mudstone3 objects
- Opal3 objects