Kyropoluosa method

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 …

Crystallization device

Crystallization device.

However, when we want to get really beautiful crystals at home, and it is made of materials that are difficult to dissolve in water, we can use another way, although also included among the methods of crystallization from solutions. For this purpose …

Crystals

Anyone can grow a crystal. Each, who only wants to, and without any special devices, chemicals or laboratory equipment. All you need is willingness and patience. Before that, however, I propose to inspect the crystals. The most beautiful crystals can be found …

Crystallographic systems

Crystallographic systems.

W 1830 the year of the German mineralogist Johann F. Ch. Hessel, creator of the classification of crystals based on mathematical principles, proved by mathematical methods, that they can only exist in the building of crystals 32 cases of symmetry, or 32 crystallographic classes, …

Decorative stones

Decorative stones. Crystals.

Another group are decorative stones used in the manufacture of haberdashery and in construction, but often also in jewelery. They are minerals of lower hardness and durability, with colors other than precious stones, na

IZOMORFIZM – MIXED CRYSTALS

IZOMORFIZM – MIXED CRYSTALS

The chemical composition of individual minerals can be determined by a chemical formula. However, there are also such minerals, whose chemical composition varies within certain limits. An example would be the mineral olivine, whose chemical composition can be …

Formation of crystals

Formation of crystals.

Crystallization, that is, the formation of crystals may occur in nature in various ways: 1) from the gaseous state, 2) from alloys, 3) from solutions.

Crystallization from the gaseous state can occur either as a result of sublimation, albo reakcji

Education and shape of crystals

Education and shape of crystals

Education means the set of all planes occurring on one crystal, and their habit means their development, which is revealed in size.

The crystals of some substances have many faces and come in various combinations. An example of a mineral, …