Materials
- Obsidian6,668 objects
- Basalt (basic igneous rock)798 objects
- Chert767 objects
- Quartzite216 objects
- Flint (rock)107 objects
- Quartz (mineral)102 objects
- Wood (plant material)33 objects
- Opal glass20 objects
- Siliceous rock20 objects
- Sandstone17 objects
- Greenstone (rock)15 objects
- Vesilic basalt15 objects
- Limestone13 objects
- Stone (worked rock)12 objects
- Cellulose nitrate film10 objects
- Chalcedony8 objects
- Petrified wood8 objects
- Argillite6 objects
- Bone (material)6 objects
- Hornfels6 objects