06/01/2021 11:54 State According to the Decree of the Government of the Russian Federation dated 02/26/2021 No. 270 “On
Minerals are natural bodies that occur naturally. They are formed as a result of various physical and chemical processes
Maybe someone you know likes old European cut diamonds. But what is
Which gemstone is a talisman and amulet suitable for an Aries woman and which one should not be worn?
Good day! Let's talk about a type of silver that you won't find in boxes among precious stones,
When choosing jewelry, particularly chains, there are several factors to consider. And the main one of these
Gold is a universal metal. It is used not only in jewelry, but also
There are many known precious crystals that differ in color, structure and properties. Known among
Category Igneous rocks Name in English. Rhyolite Formula SiO2, TiO2, Al2O3, Fe2O3, FeO, MgO,
This article discusses the terminology of precious stones, and also provides the main classifications.