Unknown | quartz
early 20th century | lithograph on paper
300 BCE - 300 CE | clay, slip, paint
1300 - 1521 CE | clay
500 BCE - 500 CE | stone
300 - 900 CE | clay
Unknown | obsidian
300 BCE - 300 CE | clay
500 BCE - 700 CE | clay
100 BCE - 700 CE | clay
500 - 1000 CE | clay
Unknown | jade
early 20th century | fired clay, burnished red slip