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Materials
- Basalt (basic igneous rock)151 objects
- Quartzite106 objects
- Chert86 objects
- Flint (rock)43 objects
- Obsidian40 objects
- Quartz (mineral)34 objects
- Rhyolite4 objects
- Sandstone3 objects
- Porphyry2 objects
- Iron (metal) (rusted)1 objects
- Limestone1 objects
- Mudstone1 objects
- Opal1 objects
- Schist1 objects
- Steel (alloy)1 objects
- Wood (plant material)1 objects