Materials
- Flint (rock)43 objects
- Chert15 objects
- Chalcedony8 objects
- Indurated shale5 objects
- Quartz (mineral)5 objects
- Basalt (basic igneous rock)4 objects
- Obsidian4 objects
- Quartzite3 objects
- Agate (chalcedony)2 objects
- Petrified wood2 objects
- Shale2 objects
- Andesite1 objects
- Breccia1 objects
- Iron (metal)1 objects
- Jasper1 objects
- Lava1 objects
- Rhyolite1 objects
- Tortoise shell1 objects