Where do granite slabs come from?

Published: 25th August 2008
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Granite, the widely acclaimed material for kitchen, bathroom, vanity, fireplaces, mantles and many other such applications basically is an igneous rock formed by the intense heat and pressure of the volcanoes, over a period of time is transformed to a metamorphic rock. Granite, feldspar and quartz are the main components with some minor quantities of mica and other minerals. The quantity of feldspars presence and the different mountain terrains across the world impart the diverse color to granite.

Granite is quarried across the world with the major part being imported to the United States is from India, Brazil, Italy, China and some parts of Africa. It is from the quarries that the granite is excavated in the form of large blocks. The blocks could be 20 feet in length, 10 feet in height and more than 10 feet wide, blocks do not have to be a standard size, at times blocks could be much larger, up to 50 feet in height. These granite blocks are then cut using the sophisticated and modern state of the art machinery, making easier the transportation of these blocks to the stockyards. Further, in the stockyard the granite blocks are sawed to get the desired thickness of slabs. These granite slabs are checked for fissures and surface pits by the resin process. Then granite slabs are subjected to polishing with abrasives and diamond wheels which brings out the beauty of texture, pattern and the color in the granite.

The granite slabs are then stacked together into various categories, based on color and thickness, and dispatched to the importers or the local warehouses per their requirements.

Marble City Company is the leading and largest importer of granite slabs in the Bay Area, California.

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