Materials
- Obsidian167 objects
- Chert145 objects
- Quartzite14 objects
- Granite (rock)6 objects
- Flint (rock)5 objects
- Sandstone5 objects
- Agate (chalcedony)4 objects
- Schist2 objects
- Soapstone (metamorphic rock)2 objects
- Andesite1 objects
- Glass (material)1 objects
- Igneous rock1 objects