Materials
- Sandstone53 objects
- Granite (rock)33 objects
- Basalt (basic igneous rock)25 objects
- Wood (plant material)20 objects
- Rhyolite11 objects
- Quartzite9 objects
- Schist8 objects
- Acetate film7 objects
- Diabase (dolerite)7 objects
- Plate glass5 objects
- Stone (worked rock)4 objects
- Ceramic (material)3 objects
- Obsidian3 objects
- Trachyte3 objects
- Volcanic ash3 objects
- Andesite2 objects
- Mica (mineral)2 objects
- Ocher (pigment)2 objects
- Sandstone (stone)2 objects
- Soapstone (metamorphic rock)2 objects