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The thesaurus, or dictionary of specific terms, allows to know the definitions of technical terms used in the portal.
You can find here general definitions to have a better understanding about the stone's world.
Thesaurus
Keyword

7891011[ 12 ]

Natural stones presentation  (Definition)

The result of millions of years of geological history, stone is a noble and natural material that is able to withstand the assaults of time and wear, each block from the quarry being unique with a history of its own! In contrast to synthetic materials, Natural Stone varies in colour, grain and texture. Natural stone is 'Precious, Lasting, Magnificent and Timeless'. However, natural resources ar...
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Surface finish  (Definition)

Many classic surface finishes exist, from the standard polished finish to the less-known frosted finish. Polishing can be used for many types of stone but in order to be polished it needs to be sufficiently compact and contain a sufficient number of ' hard ' minerals. Granite and marble are often polished; basalt and slate on the other hand less often. The surface finish for the most part ...
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Limestone  (Definition)

This is a sedimentary rock, the primary source of which is mainly the sea, composed of calcium carbonate (50%) and various minerals such as aragonite and dolomite. It can also contain silica and clay. Limestone forms naturally according to the changes in the weather (rain, wind...) and can contain elements of biological origin such as fossils and even dinosaur bones (which is extremely rare!). ...
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Scientific and commercial classification  (Definition)

Natural stone can be classified according to its scientific or commercial name. The scientific name, for geologists and petrographers, described in the European standards EN 12407 and EN 12670 and ASTM, provide information on the properties and composition of natural stone. The commercial name of Natural Stone does not always relate to the properties and composition of the stone listed. Commerc...
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Metamorphic rocks  (Definition)

Metamorphic rocks are the result of the transformation of sedimentary rocks, other metamorphic rocks or magmatic rocks at a high temperature and/or pressure, the equivalent of a mountain range. A physico-chemical re-adjustment of the elements results, sometimes causing a significant change to their aspect and composition with the appearance of new minerals. Such a transformation modifies t...
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Magmatic or igneous rocks  (Definition)

Magmatic rocks are the result of the solidification of a liquid "rock' (lava, magma) either inside the earth's crust or on its surface. Solidification occurs in three types of rock: extrusive volcanic rocks, semi-intrusive rocks and intrusive or plutonic rocks. Extrusive volcanic rocks solidify on the surface of the earth. During a volcanic eruption, the magma from the earth's greatest de...
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7891011[ 12 ]
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