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Materials
- Obsidian5,119 objects
- Flint (rock)452 objects
- Chert427 objects
- Basalt (basic igneous rock)112 objects
- Quartz (mineral)82 objects
- Quartzite47 objects
- Siliceous rock17 objects
- Opal glass15 objects
- Jasper10 objects
- Petrified wood7 objects
- Dacite5 objects
- Sandstone5 objects
- Ceramic (material)4 objects
- Chalcedony4 objects
- Opal4 objects
- Slate (rock)4 objects
- Basalt (basic igneous rock) (percussion flaked)3 objects
- Hornfels3 objects
- Shale3 objects
- Clay2 objects