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Materials
- Chert107 objects
- Flint (rock)24 objects
- Obsidian15 objects
- Quartz (mineral)12 objects
- Quartzite6 objects
- Jasper3 objects
- Basalt (basic igneous rock)1 objects
- Chert (?)1 objects
- Opal1 objects
- Sandstone (banded)1 objects
- Shale1 objects