Diamond is the most expensive and beautiful stone among minerals. He is a kind of example
Blue aventurine is a rare stone whose surface shimmers in different colors. It resembles a starry sky
July 26, 2020 Many radio components contain precious metals, including
In his quest to get gold, man knows no bounds. It is well known that in radio components of Russian
A natural diamond is an incredibly beautiful, very hard and durable stone that gives an unsurpassed shine. But,
During the natural processes of formation of the earth's crust or rock formations, spherical cavities are formed. On
How to reduce the size of a ring in a jewelry workshop Reduce the diameter of a ring made of gold or other
General rules for cutting stones Several of the first cutting techniques appeared in the 19th century, it was then
Since ancient times, sparkling precious stones have been highly valued and were a sign of royal luxury.
Applications and features of gold Nowadays, purple gold has a very wide range of applications. Is not
