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Is there a catalogue that shows all the existing natural stones?

There are thousands of varieties of different types of stones, and new varieties are constantly appearing in the market as a result of extraction in new areas in different countries. The catalogs and the web pages of the different countries, or associations, individual companies, etc. show the stones that are extracted, or processed and marketed by them, and therefore, by definition, are only a partial database. It is also a good idea to check on whether the stone of your choice is still being extracted. Being a unique and irreplaceable product of nature, perhaps the deposits of the stone in question no longer exist.

 

Is a stone sample an accurate/depiction of the stone?

Samples only serve as an indication of a stone”s physical characteristics. Being a natural product, absolute resemblance cannot be guaranteed. There may be variation in colour and in patterns. Try to see a big size slab or many slabs of the stone, if possible- it will give you a much better idea of what to expect. The modern technologies make your job much simpler- the high quality images that can be seen on the tablets and smartphones can give you a very good idea of what to expect.

What is the difference between granite, marble, limestone, sandstone, slate?

The difference between different types of natural stone starts right from the origin of its creation.

Granite is an igneous solid rock formed by magma with at least 20% quartz in volume.

Marble is a non-foliated metamorphic rock composed of recrystallized carbonate minerals, mostly common calcite or dolomite. Marble , in other words, is a metamorphosed limestone. Limestone is a non-foliated metamorphic rock composed of recrystallized carbonate minerals, commonly being calcite or dolomite.

Sandstone is a sedimentary rock composed mostly of sand sized minerals or rock grains.

Slate is a fine grained foliated homogeneous metamorphic rock, derived from the original shale-type sedimentary rock, composed of clay or volcanic ash, by means of low grade regional metamorphism.

Each of the different varieties have their own properties and appearance, and determine their  suitability for the different applications one may require.

What is the geographical origin of the natural stones?

In just about all countries of the world natural stone is extracted in some way, after this unique,wonderful natural product is a result of geological formation, the process of which began in the initial stage of the formation of our planet, hundreds of millions of years ago

Can my client afford to buy natural stone ?

Most probably yes, because there are  natural stones which are very economical in price, and even the customer with a limited budget is often surprised to discover how affordable natural stone really is. For each project a natural stone can be found which meets your preferences and fits your budget. When comparing the life cycle versus price with other alternatives, natural stone is definitely affordable.However, there are also stones in the market which are really exclusive and premium and, like all luxury products, command a premium price.

Is stone much more expensive than other building materials?

Due to efficient quarrying methods, modern and competitive processing, stone is surprisingly economical compared to engineered stone or ceramics. If quality, durability and maintenance is taken into consideration, natural stone is a natural choice.


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