When purchasing natural marbles, granites, slate and stone, it must be appreciated that these materials are in most cases over 300 million years old, and from part of this world that has in the past constantly moved by the continents and seas changing places- by earth movement, earthquakes and volcanic eruption.
Therefore in the course of developing a quarry, considerable variation may occur in the colouration and veining of the marble/ granite/ slate/ stone extracted. For the above reasons uniformity of appearance should not be expected. Each type/ piece of marble is unique and each type of marble has different characteristics, no two pieces of marble can ever be exactly the same.
Some marbles and stone can even have some fossilised remains of shells, fish and animals etc.
Marble, Granite, Slate and Stone are sold throughout the world as being inherently unsound and this can vary from hairline cracks in some types, too extensive brecciations in others. It is commonplace to stop, cramp and fill these materials to make good, strengthen and reinforce. Such repairs should therefore be regarded as commonplace and not treated as defective.
Marble, Slate and Stone are porous materials even when the surface is polished, therefore care and respect should be administered with wine, cigarettes, coke, acid products, fruit and oils etc. which can stain and remoce the polish from the materials.
Granite is extremely hard and is not easily marked or damaged.
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