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| Marble (3/5/2010) |
| It is the re-crystallization of limestone, limestone softened at high temperature under high pressure, and changes in the minerals contained in the formation of re-crystallization marble. The main components of calcium and dolomite, many colors, usually a clear pattern, a lot of mineral grains. Marble Pass is a mixture of high temperature and pressure and minerals under the action of the natural deterioration by a stone into another stone. A qualitative change may be re-crystallization, texture change or color change, the pattern lines. Mohs hardness of 2.5 to 5 between the hardness of soft, suitable for walls and decorative. Granite: Mainly by quartz (35%), feldspar (45%) and potassium to form, usually dark color. Even contains very little calcite. Texture is very hard, easier maintenance than marble, but there are still holes, and produce stains. In accordance with quartz, mica and feldspar of the mixing ratio of different columns, granite is divided into different types. Black granite that is anorthite, which contain quartz, feldspar, rarely, its composition is different from the real granite. In the granite stone in the performance of the striped pattern or tuberculosis-like, suitable for the ground. Radiation: marble, granite than smaller than the radiation. Calculate area: divided into two kinds of wool and net material cost is not the same as in the home improvement is usually calculated according to the net material. |
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