Materials
- Acetate film272 objects
- Plate glass239 objects
- Sandstone135 objects
- Basalt (basic igneous rock)106 objects
- Granite (rock)52 objects
- Wood (plant material)46 objects
- Ceramic (material)29 objects
- Rhyolite29 objects
- Quartzite16 objects
- Vesilic basalt16 objects
- Stone (worked rock)13 objects
- Cellulose nitrate film11 objects
- Stone (worked rock) (stone)11 objects
- Lava10 objects
- Metate10 objects
- Schist9 objects
- Obsidian8 objects
- Diabase (dolerite)7 objects
- Soapstone (metamorphic rock)5 objects
- Acetate film (35mm color transparency)4 objects