This mineral from the chalcedony group, being a semi-precious ornamental stone, has had an inexplicable attractive force since ancient times.
Agate is one of the most beautiful varieties of chalcedony, which has an unusual color. Stone
Times, fashion trends and approaches to creating images change. Nevertheless there is
Granite is a stone of natural origin. It is mined in many places on our planet
Category Oxides (minerals) Name in English. Corundum Formula Al2O3 Group Corundum Group Color Colorless,
In the 18th century, Peter the Great issued a special decree. According to this document, Russia began
!Text updated and corrected in July 2020 Mob (not to be confused with slander:) - ancient
September 7, 2022 A men's gold signet is an accessory for a true gentleman that emphasizes strength
Post updated: May 25, 2020 Gold leaf is the thinnest sheets of precious metal thick
Earrings with jadeites and corals Even the priests of the ancient Mayans claimed that jadeite is
