Types of stones

Description of the stone Precious topaz Swiss. Swiss Blue Topaz is a type of gemstone that collects

Composition and properties The 84-karat alloy contains 87.5% silver, the rest is copper. Also

Consumers accustomed to ordinary metal coins believe that this kind of nickel alloys have been used for a very long time,

What is this stone? Ametrine (in literature it is also called two-color amethyst, bolivianite or

The widespread use of gold in industrial production is due to the chemical and physical properties of the noble metal. Jewelry

Humanity learned about diamonds seven thousand years ago. The first diamonds were discovered in India

People with personal savings are interested in the question of profitable investment. One of the attractive investment assets

Ear piercing is an ancient part of the culture of human society, which originated several thousand years ago, but

Trade in nuggets has long gained popularity in developed countries. So, they are actively traded in the UAE,

The color of tanzanite ranges from sapphire blue to deep purple. Existing yellowish-brownish specimens are not popular