Precious

Copper alloys have been known since ancient times and are still widespread today. With the exception of

Global demand for silver products is growing steadily. However, looking for the treasured engraving of the quality certificate,

Charoite is a stone so rare that it is mined in only one deposit on the planet. Not surprising,

Blue stones have long attracted people prone to daydreaming and the unknown. Blue color stone

Classification of precious stones. Varieties of precious stones by color. How to identify a real stone among many

The world of jewelry is larger and more serious than the banal shine of precious stones and the alluring glow of gold

Investing in gold has always been a profitable investment. This material is not depreciated, is not subject to

The kingdom of minerals has a wide range of colors, and green gems occupy a worthy place in it.

Spinel is a trickster stone that has been featured on crowns for centuries, like its more expensive counterpart, the ruby.

The role of metals in the development of mankind cannot be overestimated. From ancient times to the present day