Bohemian crystal - the national treasure of the Czech Republic. It is flawlessly transparent, has an unsurpassed quality. The tradition of glassmaking in the Czech Republic has never been interrupted, which gave it the right to set the tone in the art of glass processing around the world. As in ancient times, today Czech glass is treated with diamond tools, creating a play of light with the help of copper, manganese, iron, decorated with silver, gold, precious stones.
How to turn an ordinary feast into an exquisite meal? How to deliver genuine joy to a loved one a great gift? How to make a pleasant impression on guests and show how pleasant their visit is to you? How to effortlessly bring a touch of luxury into boring everyday life? The answer is simple - all this will be done for you by Bohemian crystal. Products of Czech glassblowers are stunning with their elegance and crystal clarity. This is an eternal classic, not subject to the passage of time, on the contrary, over the years the cost of Bohemian crystal has only increased.
Today, when crystal is again at the peak of popularity, the question of quality is acute. Buying an expensive thing, I do not want to make a mistake and buy a frank fake or low-priced product. How to distinguish the noble material from the “mongrel” variations? Before studying the catalog of Czech crystal and glass, it is necessary to determine the terms. What is crystal, crystal glass, Czech crystal, Czech glass, Bohemian crystal, Bohemia crystal wine glasses glass? To begin with, it would not be a mistake to call Bohemian crystal Czech, since it is produced in the Czech Republic. And on the contrary, not all Czech crystal is Bohemian. The difference between Czech glass and Bohemian crystal is determined by the many features and characteristics. Main criteria:
- chemical composition;
- region of origin;
- history of occurrence;
Glass in our usual sense is an alloy of quartz with oxides of some metals. The basis of the glass mass is silicon dioxide, which is obtained from quartz sand. Soda and potash (potassium carbonate), added in certain proportions, give the glass clarity and purity.
As a matter of fact, crystal is a type of glass, which in addition to the above components includes oxides of lead, barium or potassium, affecting the refractive indices of light rays and the degree of plasticity of the material. Glass mass containing more than 10% of these components is considered to be crystal glass. The higher the percentage of lead, the better and more transparent crystal is obtained, the more light magic it contains. There are several types of Czech crystal:
- lead - over 24% of lead oxide;
- barium - instead of lead, barium oxide is used (not less than 18%);
- Bohemian - contains potassium-calcium compound.