Types of stones

Diamond is a mineral of particular hardness, the most expensive of natural gems. Some species are especially valued

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Chief editor of the site: Snitkovsky Arkady Aleksandrovich Chief physician of the professorial dentistry “22 Century”, doctor -

For a long time, Russia was a leader in the production of pearls, a symbol of good luck and wealth. There was enough mother of pearl

Petrified wood is an organic rock that was formed during past geological eras from the remains of

Like many other rocks, kaolinite gets its name from the place where it was discovered.

Jewelry and products made from precious metals have always been an indicator of luxury. Since ancient times

History and origin of the name The Tamils, the residents of Southeast Asia, were the first to notice these super-strong transparent stones.

Among the semi-precious stones, a bright representative of quartz stands out - green onyx. It owes its name to the Greek

The mineral called celestine is made up of strontium sulfate. The Latin term "celestis" translates as "heavenly"