Types of stones

Olivine belt At the beginning of the last century, geophysics armed itself with sensitive instruments that detect the movements of the earth’s crust

Many women prefer jewelry made from precious metals. However, such products require careful handling.

Muscovite is a layered potassium silicate that belongs to the mica group, and is more often

An uncut diamond is a hard mineral of natural origin, without cutting or polishing, unsightly appearance and

This valuable stone has a huge number of colors and shades. The most common color is honey,

Zircon stone is an extraordinary nugget, which is often confused with cubic zirconia and even diamond. It has

During the times of the former Union, people, as now, knew that gold was

In every home there is gold jewelry in the form of a chain, ring, earrings, pendant, etc.

Category Silicate minerals Name in English. Actinolite Formula Ca2(Mg,Fe)5(OH)2 Group Group of amphiboles of the silicate class

Old computers and office equipment cost mere pennies on the secondary market because they are not usable