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Is the science of Earth Sciences, who specializes in studying the chemical properties, physical, optical and crystalline structure of metals.
There are branches (monographs) in metallurgy research includes Win9x crystallized minerals and phases are structure, classification, geographical distribution, as well as the methods used.
Metal can be defined as non-organic material formed under natural conditions of pressure and temperature. It has fixed internal crystalline structure and sometimes appears in the form of crystals and amorphous form is most often. Notes from the above definition that metal is a substance found in nature and not to human, animal or plant has entered into composition. We also note that the chemical composition is not sufficient to determine the metal where it must know crystal structure that controls many of the natural qualities of the metal, such as:
* Specific weight or density
* Almkhedsh color
There are chemical image or more different metal manama completely different from each other, for example carbon is in nature a metal diamond is the hardest known metals and graphite metal picture and is less metal stiffness and may enable scientists to date of more than 2,000 different metal but all common metals that go into installing rocks and economic minerals not exceeding 200 metal only.
Crystalline systems exist in different forms of crystalline metals and Crystal is a central body of solid homogeneous chemical composition, in which the atoms mwadaa in the form of structural engineering. Structural shape features portability divided into units or cells are identical, smaller cell called the cell. Macroscopic crystal structure appears visually in the body surfaces and normal levels known as the Crystal and is marked by a certain parity relations reflect the geometric structure system.
Crystal systems can be divided into seven crystal systems based on crystalline axes lengths a, b, c and angles crystalline?,?,?, and the seven crystal systems are:
* System cube
* 4 wheel drive system
* Triple system
* Existing appointments system
* Single-tilt system
* 3D tilt system
Each metal is one of those systems, where the system of cells fit together without spaces so that the image is kind of exactly the same basic cell structure. Can imagine it easily in case the basic cell of cubic metres, bounded from the right and left CU CU, and it is beneath CU CU, and CU-Cu and its successors, humiliates basic cell is completely bordered by cubes have been shrouded from all six destinations. Then run basic cell surface layer in the same way mentioned in this bigger mineral crystal.
Chemical classification of metals:
There is no metal in the form of a chemical compound by chemical analysis can determine its constitutive elements, you can also see chemical equation, and there are several ways to split the minerals, chemical classification, however, is simpler and more comprehensive ways to split minerals, a classification in most universities and museums algilogia nowadays.