The marble is a metamorphic rock derived from the Calcaire, existing in a great diversity of color, being able to present veins, or marblings (Veins and colors are due to metallic oxide inclusions, generally.).

Certain types of marbles bear particular names, for example the Cipolin or the Griotte.

The word comes from the Latin marmor , from where the marmoreal adjective , “of marble”.

The feeling of cold which one has while touching of the marble, although being with the room temperature, is due to its strong thermal Effusivité.

Layer

The the Pyrenees, the Wallonia as with Golzinne (where one still extracts the black Marbre), Tournai, Dining etc And the north of France counts some layers, exploited either in stone S, or in Granulat S. Certain marble careers are particularly prestigious, like Carrare, in Toscane or, under the Antiquité, the Pentélique, which overhangs Athens, Paros, Proconnèse in the Marmara Sea or Aliki with Thasos.

Use

It lends itself well to the size and is very much used in Construction, Décoration or Sculpture. One can make use of it like top of counters for the bathroom, but is not recommended like surfaces counters for the kitchen. The marble is very porous (see minerals which compose it) what, in contact with certain food substances, its deterioration causes. The use of the decorative marble as material was seen for the first times in the interior construction industry of the churches, in occident. In North Africa, one knows that it was useful, as of the middle of the second front century J. - C, with the construction and the decoration of a monumental sanctuary financed by the king numide Micipsa (148 with 118 av. J. - C.). The marble is also massively used for the manufacture of the toothpaste.

Homonyms

The word marble also means, in the Journalisme and more generally in the Imprimerie, the articles having been written or composed but which were not published yet. They are kept in preparation for a later publication.

The marble was, in traditional printing works, a heavy and plane surface on which were deposited the texts made up on standby of impression.

The word marble also means, in mechanics, a plane surface of reference, judicious to materialize a plane surface " parfaite" , to some extent a plane surface as defined by mathematics. This surface of reference is materialized by a cast iron or steel or marble table, which one uses in the workshops or laboratories (of metrology for example) to carry out various controls or experiments.

This reference extended to a control system from the frames from car after an accident, system mechanical which makes it possible to observe the possible geometrical modifications of the frame, which are acceptable or not for one to allow a good behavior at the time of the mechanical requests generated by the state of the road and the control of the vehicle.

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