Pyrite stone is called "fool's gold." The name is rather humorous, but the similarity with gold brought
Emerald is not only a green multifaceted stone, as many are accustomed to think. Nugget, in
Category Chalcedony Name in English. Heliotrope Formula SiO2 Group Quartz Group Color Dark Green Color
Precious minerals, due to their splendor and radiant shine, have always attracted the eyes of people and become objects of
Today, the jewelry industry has reached such a level that fashionable and beautiful products are made
November 29, 2018 Tips for tourists Ahi Svetlana Gold can be called the most insidious and deceptive
Post updated: May 26, 2020 Today this mineral is of great value
Gold has been used by humanity for many centuries. This metal is widely used in jewelry: from
Black agate is a variety of chalcedony that has a matte charcoal color, sometimes with light veins. This
History The fact that primitive man survived the confrontation with natural elements and predators is
