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In Russian, the term “amber” is borrowed from Lithuanian from “gintãras” - the name of lithified resin fossils from the coast of the Baltic Sea. ...

Inclusions in stones is one of the diagnostic signs, because a detailed study of them can often help establish the nature of origin, the presence of external influences (refinement), and sometimes even the deposit and conditions for stone formation. ...

Everyone who ever bought or wanted to buy expensive jewelry with precious stones in the secondary market, faced with the need to check the stones in the product for authenticity and for compliance with the data stated by the seller. ...

Verification of the gemstone for authenticity, as a rule, consists in checking the gemstone (insert) for compliance with the information stated during the sale-purchase ...

When buying a diamond, it is important to understand which components form the price of a diamond. ...