Materials
- Opal8 objects
- Petrified wood8 objects
- Stone (worked rock)8 objects
- Chalcedony7 objects
- Hornfels7 objects
- Ivory (material)6 objects
- Leather6 objects
- Sinew (material)5 objects
- Quartz crystal4 objects
- Steel (alloy)4 objects
- Baleen3 objects
- Granite (rock)3 objects
- Shell (animal material)3 objects
- Lava2 objects
- Opal glass2 objects
- Rhyolite2 objects
- Schist2 objects
- Asphaltum1 objects
- Chert (black)1 objects
- Chert (blue)1 objects