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Materials
- Quartz (mineral)17 objects
- Flint (rock)13 objects
- Quartzite13 objects
- Chert11 objects
- Basalt (basic igneous rock)4 objects
- Obsidian4 objects
- Andesite2 objects
- Chalcedony2 objects
- Agate (chalcedony)1 objects
- Shale1 objects
- Tortoise shell1 objects