- Obsidian51,041 objects
- Ceramic (material)18,442 objects
- Acetate film10,012 objects
- Plate glass6,850 objects
- Acetate film (35mm color transparency)6,542 objects
- Glass (material)3,422 objects
- Shell (animal material)3,119 objects
- Wood (plant material)3,034 objects
- Bone (material)2,931 objects
- Cotton (textile)2,757 objects
- Abalone shell2,437 objects
- Chert2,225 objects
- Flint (rock)1,574 objects
- Metal1,538 objects
- Faunal remains1,537 objects
- Clay1,279 objects
- Spondylus pictorum1,240 objects
- Basalt (basic igneous rock)1,190 objects
- Wool (textile)1,039 objects
- Antler (material)1,000 objects