Black Galaxy, in the petrology is a gabbro, building materials market is classified as granite stone, fine grain, grain, coarse grain of the points. There are large Sands and small Sands of the points.
In building materials market called granite, but the geology, petrology, which belongs to gabbro, which is the ancient bronze pyroxene. Bronze pyroxene and pyroxenes other minerals compared to its special metallic luster is known.
There are large and small sand points, a thickness of the points, our door stone is commonly used stone Black Galaxy, thickness <1.5cm, about 1.2-1.4cm between the stone is very particular about the overall door, that is, the door stone The best is a piece of stone, our doors are generally around 90cm, tiles when the door stone will often have seams, so marble is more suitable to be used as a door stone.

Features:
Granite is granular, medium grain, coarse grain granular structure, or porphyritic structure, the particles are fine, small gap (porosity is generally 0.3% to 0.7%), water absorption is not high (water absorption is generally 0.15 % ~ 0.46%), has good antifreeze performance. The hardness of granite is high, its Mohs hardness is about 6, its density is between 2.63g / cm3 and 2.75g / cm3, its compressive strength is between 100-300MPa, among which the granite can be as high as 300MPa or more, In the 10 ~ 30Mpa.

Advantage:
Black Galaxy Granite is a product that can give your building a perfect ambience, allowing you to work on a grade.
If you are looking for building materials, it is perfectly suited to your needs, and is the only product of choice, especially in your kitchen and cabinet table, it will allow your designers have unlimited creative design inspiration, and can Let him into a reality.
And from the durability of this point, the Black Galaxy are also completely unparalleled durability advantage.
First of all, black sands are granite, and second, the Black Galaxy sandstone structure is more specific and particularly resistant to wear and corrosion resistance, will meet your life time requirements.
Black Galaxy whether made of stone, floor tiles, or made of kitchen, bar countertops, the effect is surprisingly good, and compared to translucent jade and artificial stone, the price has its own unique advantages.