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Materials
- Obsidian5,302 objects
- Flint (rock)187 objects
- Basalt (basic igneous rock)34 objects
- Chert23 objects
- Opal glass15 objects
- Petrified wood4 objects
- Slate (rock)3 objects
- Jasper2 objects
- Quartzite2 objects
- Asphalt (bituminous material)1 objects
- Metal1 objects
- Olivella shell1 objects
- Opal1 objects