Production
Category Silicate minerals Name in English. Diopside Formula CaMg[Si2O6] Group Pyroxene Group Color Green,
The magic word that makes dreams come true does not only exist in fairy tales. It sounds simple - gold.
Jewelry is the passion of any woman, which manifests itself since childhood. There is no such woman
General information Sample 84, stamped on silver, served to determine the quality until 1927
Jewelry with topaz looks very beautiful, which is why it is very popular among jewelry lovers.
Traditional methods of gold mining are simple and incredibly resilient: still in developing countries
Exquisite beauty, bewitching, unique patterns - this is natural agate, a semi-precious mineral. It's no surprise that
Where do miners find gold in Russia? The largest Au deposits are located in the Far East and in
Post updated: Jun 5, 2020 Almost 95% of gold mined in Russia is extracted from
Often there is a need to purify gold from other metals contained in the alloy or scrap.
