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Mined precious and semi-precious stones usually have an unattractive shape and are valued much lower than

Gold is not the only yellow mineral found in nature. Few people know how to

The highest standard of silver in jewelry The purest standard of silver The lowest standard

The hallmark on gold is a guarantor of quality. This is what many people think when they buy jewelry in jewelry stores.

The Baguette cut resembles a rectangle in shape, consisting of several steps. There are different types

Category Halides (minerals) Name in English. Halite Formula NaCl Group Chloride Group Color White,

Basalt is a decorative rock formed as a result of the eruption of volcanic lava onto the ground surface.

Corals are amazing in their appearance and structure. These inhabitants of the seas and oceans look

The materials used to make jewelry are platinum, gold and silver. Introduction into production of new

In the modern world, traditions and signs are approached more democratically and rationally than in