3rd millennium BCE
2.5 cm (1 in.)
Steatite or chlorite
6th-5th millennium BCEAnatolianLead
ByzantineLead
ByzantineLead
ByzantineLead
ByzantineGray stone, with perforations begun on each end but not bored through
8th-7th century BCENeo-AssyrianChalcedony
2nd millennium BCEGreekLead
ByzantineWhite marble or alabaster
4th-3rd millennium BCEMesopotamianMottled green and grayish brown nephrite
20th centuryChineseLead
ByzantineLead
Byzantine