Materials
- Obsidian4,884 objects
- Chert102 objects
- Porphyry29 objects
- Basalt (basic igneous rock)12 objects
- Hornfels5 objects
- Brick (clay material)4 objects
- Quartzite4 objects
- Opal glass3 objects
- Petrified wood3 objects
- Flint (rock)2 objects
- Ivory (material)2 objects
- Opal2 objects
- Agate (chalcedony)1 objects
- Amber (fossil resin)1 objects
- Ceramic (material)1 objects
- Dacite1 objects
- Glass (material)1 objects
- Jasper1 objects
- Quartz (mineral)1 objects
- Slate (rock)1 objects