1.3 cm (1/2 in.)
Lead
ByzantineChalcedony
9th-7th century BCENeo-AssyrianHematite
2nd millennium BCEMesopotamianLead
ByzantineSteatite or chlorite
4th millennium BCEAnatolianLead
11th centuryByzantineLead
ByzantineLead
ByzantineLead
ByzantineLead
ByzantineLead
ByzantineSerpentine
Mesopotamian