once calculation was done in England and Ireland, the Romans brought it to the British Isles. Now production is Pearl River in Germany (Bavaria) and the U.S.. The northern and north-western rivers of European Russia, too, especially abounded with pearls Pearl Necklaces. are highly valued since ancient times in Russia, they embroidered women's clothes and hats (sundresses, kokoshniki, etc.), clergy vestments, and sometimes clothing nobles decorated salaries of icons, manuscripts covers religious books, church plate, etc. Especially prized pitched (ie round) of Kafa (the ancient name of Feodosia in Crimea) - great, vely, which were brought back from the East. As a premium was a pearl in ancient Rome. Pliny the Elder (77 AD) put him in the hierarchy of precious stones in second place after diamond and emerald before Pearl Archives. In medieval East, where it is especially prized red stones, the first place, of course, ruby was given, followed by diamonds and (also before the emerald). At present, natural is one of the most expensive jewels.