Infobase

Filling out section 1 of the Card Section 1 of the Card is a table of the form: If you

Jewelry wax for modeling is widely used by jewelers; it is used to make prototypes of rings,

There are many fossil rocks, most of us don't even know half of them.

Diorite Diorite is a plutonic rock consisting mainly of minerals, plagioclase, including colored

Niobium, properties of the atom, chemical and physical properties. Nb 41 Niobium 92.90638(2) 1s2 2s2 2p6

The production of jewelry in Russia and throughout the world has become widespread. To products

Types of gold ore deposits Gold ore deposits occur mainly in areas of granitoid development, a small number of them

For centuries, the stone was a real magical assistant to the sorcerer and a talisman for those who wore them.

Federal Law of March 26, 1998 No. 41-FZ “On Precious Metals and Precious Stones” Storage of valuables