Sample and types

Russia has a metric system for assessing the purity of precious alloys. Thanks to this, a sample corresponding to

Many women prefer jewelry made from precious metals. However, such products require careful handling.

Even for the most indifferent people to jewelry, diamonds touch the heart - the beauty of this

Entry updated: Oct 8, 2020 Antonio de Ulloa (Spanish surveyor and astronomer) in 1740

October 18, 2021 The carat value of diamonds is a topic of long controversy that is unlikely to subside in the near future

Since amber has a number of unique characteristics, there are several different tests that can help you find out if it is real.

Industrial gold mining is predominantly concentrated on extracting the precious metal from ore, but in Russia there is a strong

For centuries, people have adorned themselves with red gemstones. They were considered symbols of love, passion,

Welcome to our page. Today we will talk about alloys of precious metals with simple,

Gold has always been valued, and in ancient times it was considered a divine metal. Today gold is not used