Materials
- Obsidian724 objects
- Flint (rock)216 objects
- Acetate film137 objects
- Plate glass108 objects
- Chert29 objects
- Stone (worked rock)14 objects
- Stone (worked rock) (stone)12 objects
- Basalt (basic igneous rock)11 objects
- Brick (clay material)5 objects
- Copper (metal)4 objects
- Quartz (mineral)4 objects
- Andesite3 objects
- Granite (rock)3 objects
- Quartzite3 objects
- Jasper2 objects
- Marble (rock) (white)2 objects
- Rhyolite2 objects
- Sandstone2 objects
- Schist2 objects
- Slate (rock)2 objects