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Monday, January 7, 2008

SANDSTONE TEXTURES

Sandstone Textures




Sandstones have different surface textures, which varies according to their formation. However now a days the stones are fabricated as the desired texture and the usage. There are six main types of surfaces that are in use.NaturalThe natural surface texture is achieved by ripping along its line of cleavage to reveal the natural grain & texture. This texture gives an undulating surface with great character. The surface comes with natural clefts giving a very natural look. Flamedtexture provides a rough surface. The roughness in the surface is a result of bursting of crystals when the stone is heated. Such a surface gives an irregular textured finish. PolishedPolished surface texture is a reflection of polished crystals. Such texture brings out the brilliant colors and grains of natural stones. The shine on stone surface comes from polishing bricks and powders used during fabrication and not from any coating. HonedThe honed texture is produced by grinding a surface with high grit material to a uniform specification, such that it does not produce a reflective surface. Thus honed stone colors are not as vibrant as polished stones. A smooth finish with a slight sheen is produced by using a polishing head. This surface is very smooth, but often very porous. Bush HammeredA pounding action that develops a textured surface. The top surface is pneumatically tooled to produce a pitted or grooved surface finish. Sawn Sawn surface is coarsely polished leaving a semi-smooth, regular finish. It is done by using a gang saw. Sand BlastedProducing a finish similar to cleft, sand blasting involves projecting a high-pressure airline coarse-grained grit, onto the top surface of the stone. It is characterized by a textured surface with a matte gloss.

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