Types of stones

Stone type Precious Prevalence (Deposits) Australia, Brazil, Kazakhstan, Canada, Russia, USA, South Africa Varieties

Type of stone Semi-precious, ornamental Prevalence (Deposits) China, New Zealand, Russia, USA Varieties Lantian, Nanyang,

The modern world is distinguished by its pragmatism. In it, every thing has a price, so if you

Category Carbonates (minerals) Name in English. Calcite Formula CaCO3 Group Carbonate Group Color White,

There is a huge variety of stones in nature. The hairworm is of particular interest. This is a mysterious stone, covered

Diamond cutting is not only a complex process of polishing jewelry diamonds and giving them a certain

What is included Since not all women and girls can afford

What radio components contain Precious metals were used in the production of Soviet devices, since at that time

From East to West Jasper was revered in the East, along with jade and jadeite.

The reasons for surrendering gold are different for everyone. Someone urgently needs money for treatment, loan payment,