Sardonyx stone is a gem belonging to the chalcedony group. It has found its wide application
General information Zirconium (Zr) is an element of the periodic table whose atomic number is 40,
Lapis lazuli - from the Arabic word “azul” - sky blue or “blue stone” - this is what they call
This mineral has a light pink or pinkish-red color. Mystics believe that he acquired his own colors,
Place Vendôme in Paris is the jewelry heart of France. Photo: paris-hotel-mansart.com The meteoric rise of jewelry
Spinel is a rare mineral with an intriguing biography and magical properties. The prosaic name for a nugget is
The process of gold refining, that is, its purification, takes place in several stages: dissolution, filtration and
Alexandrite is an expensive and rare stone, its value has been high since its discovery
The best jewelry in the Golden Age catalog Jewelry - products made from noble
