Diamonds Emeralds Rubies Sapphires
The method of extracting crystals from a liquid, developed by Czochralski and modified by many other physicists, belongs to the group of crystallization methods by cooling a melt with the same composition as the grown crystal..
A method similar to the method …
Let's go back to beauty. Some of the artificially colored stones imitate other stones. But there are also such, like diamond or agate, which remain themselves after coloring. They are only more beautiful. You can also make stones more beautiful by other methods – by polishing them, zwiększenie gładkości …
In recent years, physics has once again intervened in the production of imitation jewelry. Artificial, glass, colorless and transparent stones are provided with a layer… interference. We remember, that the interference is the effect of refracting and overlapping light waves in thin layers, e.g.. oleju …
In later times, imitations of precious stones were made of melted rock crystal, today they are made of special glass. It is a mixture of lead oxides, silicon, potassium carbonate and borax, which is drowning, casts, a następnie szlifuje aż do uzyskania formy klejnotu.…
In the group of almost real stones, one can be called "completely real."”. I'm talking about aquamarine, a stone the color of sea water. But the color may be different: yellowish green, green and highly valued – sea, greenish blue. Nieszczególnie piękne zabarwienie żółtozielone miał jeden z największych …
A stone that pretends to be a diamond topaz – aluminum fluorosilicate. The most famous and valued topazes have a characteristic "topaz"” yellow in various shades. However, there are also blue topazes, Violet, pink, red and colorless with the poetic name "a drop of water”. The conclusion is simple. …
We remember, that all red-colored transparent stones were once called rubies. It was not known, that apart from rubies, red can also be much cheaper grenades – pirop or almandine, as red as a spinel ruby, red variety of tourmaline and many other minerals. Za …
However, the noblest variety of chalcedony is truly Polish – very beautiful stone, apple green, light color – chrysopraz.
Large clusters of this stone occur in the vicinity and in the nickel mine "Marta” in Szklary and in the vicinity of Jordanów, gdzie stwierdzono …
