Infobase

Post updated: May 25, 2020 Products made from gold alloys of different grades are used not only

h.n. O.V. Mosin GOLDEN WATER Gold (lat. Aurum), Au is a chemical element I

A cabochon is a decorative stone that has no edges. During processing, its surface becomes

Reports and communications Geography Mica is a mineral Mica is a mineral with a distinctive feature

When children are born into a family, parents begin to realize how little they know about it

Today the cost of gold is 585 in a product per 1 gram in pawnshops and

Salt is a vital food product not only for humans, but also for all mammals.

A car, a telephone, even a refrigerator - all this equipment is made of iron, the production of which is very

Minerals are determined by physical properties, which are determined by the material composition and structure of the crystal lattice.

People have always worshiped jewelry. Stones and metals not only captivated their minds,