Unknown | obsidian
Unknown | shell
Unknown | clay
Unknown | quartz
late 19th century - early 20th century | gelatin silver process
300 BCE - 300 CE | clay, slip, paint
500 BCE - 700 CE | jade
300 BCE - 300 CE | clay, burnished red slip
100 BCE - 700 CE | obsidian
300 - 900 CE | clay
1300 - 1521 CE | clay
mid-19th century | planographic print on paper
300 BCE - 200 CE | clay