Materials
- Crustacean shell8 objects
- Albumen paper5 objects
- Clay5 objects
- Quartz (mineral)4 objects
- Ivory (material)3 objects
- Lead (metal)3 objects
- Quartzite3 objects
- Shell (animal material)3 objects
- Soapstone (metamorphic rock)3 objects
- Asphalt (bituminous material)2 objects
- Brick (clay material)2 objects
- Granite (rock)2 objects
- Iron (metal)2 objects
- Jasper2 objects
- Tin (metal)2 objects
- Agate (chalcedony)1 objects
- Albumen silver print1 objects
- Bronze (metal)1 objects
- Concrete1 objects
- Fossil1 objects