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In Japan, discovered a plate and cup, the times of the Roman Empire
During excavations of a mound in Nara Prefecture, Japan, a glass plate from the 14.1nd century and a bowl from Sassanian Persia were discovered. The mound belongs to the 14.5th century. The plate is 8-7 cm in diameter, and the bowl is XNUMX cm, its height is XNUMX cm - the Japanese media write.
Chemical analysis and X-ray fluorescence analysis showed the incorporation of sodium oxide and sand from silica and lime, indicating the Mediterranean origin of the dish. Such plates were made in the era of the Roman Empire and later.
Investigation of synchrotron radiation revealed the presence of antimony, which is not found in Roman glass products of the II century. Presumably, a plate made in the Mediterranean area was taken to Persia and, having painted it, was brought to Japan.
The chemical composition of the bowl is the same as that of glassware from the excavation of the palace in Ctesiphon, the capital of the Sassanid state. Yoshinari Abe, the head of the study, believes that Japan has been active in trade with other countries.