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Materials
- Obsidian6,620 objects
- Chert561 objects
- Flint (rock)353 objects
- Basalt (basic igneous rock)278 objects
- Quartz (mineral)49 objects
- Quartzite42 objects
- Porphyry29 objects
- Petrified wood11 objects
- Slate (rock)10 objects
- Bone (material)8 objects
- Dacite7 objects
- Chalcedony6 objects
- Hornfels5 objects
- Jasper5 objects
- Brick (clay material)4 objects
- Opal glass4 objects
- Wood (plant material)4 objects
- Agate (chalcedony)3 objects
- Glass (material)3 objects
- Indurated shale3 objects