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Materials
- Obsidian1,349 objects
- Chert30 objects
- Quartz (mineral)4 objects
- Basalt (basic igneous rock)3 objects
- Granite (rock)2 objects
- Hornfels2 objects
- Petrified wood2 objects
- Quartz crystal2 objects
- Slate (rock)2 objects
- Chalcedony1 objects
- Flint (rock)1 objects