Materials
- Obsidian12,748 objects
- Chert401 objects
- Flint (rock)118 objects
- Jasper18 objects
- Glass (material)16 objects
- Agate (chalcedony)14 objects
- Opal5 objects
- Quartz (mineral)5 objects
- Petrified wood4 objects
- Slate (rock)4 objects
- Basalt (basic igneous rock)3 objects
- Bone (material)2 objects
- Quartzite2 objects
- Asphaltum1 objects
- Chalcedony1 objects
- Chert (black)1 objects
- Chert (blue)1 objects
- Dacite1 objects
- Felsite1 objects
- Glass (material) (whole)1 objects