Insidous mother of pearl shine.

 And jewels items are serious affecting on the health, and how to select theirs right? Answered professor  for geology Bogdasarov.

 Jewellers and artistic decorative items, inlaid amazing by quality, colour, and pearl shines, flooding for commerce stalls exhibitions. And in low price same jewellers is a very popular, but trouble, that pearl is to fonit..

Pearl is inside layer in shells in gastropods  and bivalved molluscs .From pearl differencing just in mother-of-pearl are aragonite crystals or calcite are parallelly having for shell surfaces, but in pearl as in top layers. Bivalves and gastropods molluscs having a sea and fresh water life mode. And a part of freshwater kinds are living and in lakes, marsh, river ponds, which are covered with Chernobyl s ash.  Molluscs living in bottom and muddy sediments  are places with radionuclides filled, and common radiation background in places of living is high on 25-35 microR. But by medics dose for radiation are on 18-20 microR   IS not health adds. Radiation background for jewellers of pearl is having a long living Isotope caesium 137, and on less measure is strontium 90. Thus, in buying jewellers with incrusting pearl, you must be interested in his having a certificate for item quality, and areal for living, and from an item by middle Europe s made better avoiding 

 For note. Better in the world by quality and beauty are jewellers and artistic decorations of pearl, traditionally belong to masters -stones cutters from China, Korea, India, Indonesia, Shri-Lanka, Myanmar, where a Chernobyl trouble not visited.