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Onyx is a kind of marble, but mostly calcite. Compared to granite, it is much softer. It is also likely to etch or stain. Compared to marbles, onyx is translucent. On that, you will often find it used in construction combined with lighting to show its beauty. This stone is a high variable with heavy veining. As such, you will never find two pieces of onyx stone that look the same. This quality makes onyx a highly in-demand stone in home and interior design. On the other hand, it is also much more fragile than other stones.
First Stone newest product, Imported Granite, is the perfect result of combining the perfect performance of all adopted raw materials. Thanks to that, the product has the features of Imported Granite and so on. Also, it is designed scientifically and reasonably. Its internal structure and external appearance are meticulously designed by our professional designers and technicians. Customers’ requirements and tastes can be well satisfied.
Granite is one of the most commonly utilized building stones. Granite is popular because of its hardness and durability, even though it is no longer the most commonly used building stone. It’s a deep-seated igneous rock with a crystalline structure and fine to coarse grain. Because of its crushing strength, this stone is extremely precious. It can also tolerate extreme weathering. Granite stones are usually cut into slabs and then polished. It can then be used for stone-facing slabs as well as floor slabs. The issue with granite is that stone has a low fire resistance. It is, nevertheless, ideal for use in construction since it is resistant to acidic liquids such as curds, vinegar, and lime juice. Granite is hence suitable for kitchen tabletops.
Another metamorphic stone, quartzite is the result of sandstone after subjected to high temperature and pressure. The main characteristic of this stone is its granular texture and crystalline structure. Quartzite is brittle and hard, which does not make it easily workable. The crushing strength of quartzite is around 115 MPa. Quartzite is available in various colors such as gray, white, and yellowish. This stone is dense with high resistance to chemical weathering, which also makes it ideal for use in a kitchen. See extra details on https://www.chinafirststone.com/.
It is used as building blocks, slabs, and as aggregate for concrete. The structure of quartzite is fine to coarse grain and mostly granular and branded, and mainly composed of feldspar and mica in small quantities. The crushing strength is between 50MPa to 300MPa.They are available in different colors like white, gray, yellowish. It is used for paving, garden paths, and courtyards. Its specific gravity is 1.68 and compressive strength varies from 80-120 MPa. The stone is characterized by pitted holes and troughs in its surface which means that it has a porous surface and concentric texture. It can be polished to a smooth, shiny finish, and comes in a variety of colors from grey to coral-red.