Interesting article: New age teller from Russia: Voice of Russia:
Russian scientists of the Budker Institute of Nuclear Physics in Novosibirsk have developed a spectrometer to establish the exact age of archaeological finds. Thanks to a new know-how the Russian spectrometer may even outmatch high accuracy spectrometers which are now used in Germany the US and Japan.
[. . . ]
Spectrometers enable archeologists to determine even the age of unique items. Earlier, to determine the age of the Shroud of Turin, the burial cloth of Jesus Christonly 150miligrams of cloth were required. The research in three laboratories in the US and Europe did not confirm the expectation that the cloth was about 2,000 years old. It turned out that the material was manufactured only 7 centuries ago.