Materials
- Ocher (pigment)44 objects
- Slate (rock)25 objects
- Metal12 objects
- Glass (material)9 objects
- Leather9 objects
- Paint (coating)8 objects
- Wood (plant material)5 objects
- Brass (alloy)4 objects
- Iron (metal)4 objects
- Basalt (basic igneous rock)2 objects
- Cotton (textile)2 objects
- Paper (fiber product)2 objects
- Quartzite2 objects
- Sandstone2 objects
- Shell (animal material)2 objects
- Brass (alloy) (brass fittings)1 objects
- Bronze (metal)1 objects
- Glass (material) (frosted glass focusing surface)1 objects
- Gold (metal)1 objects
- Granite (rock)1 objects