The following are several common stones and their characteristics:
Natural stone
1.Granite: Granite is formed by the eruption and invasion of underground magma, as well as granite metamorphic rocks. The main ingredient is silica, with a content of about 65%-85%. Granite is weakly acidic in chemical properties, usually in a dot-like structure, with relatively large particles, regular surface patterns and high hardness. Granite has good decorative properties and is suitable for decoration in public places and outdoors.
2.Marble: Marble is formed by sedimentary and metamorphic rocks of sedimentary rocks, usually accompanied by the texture of biological remains. The main ingredient is calcium carbonate, and its content is about 50%-75%. Marble is weakly alkaline, has fine particles, and generally has irregular surface stripes and is less hard. Marble has excellent decorative properties, does not contain radiation, is bright in color and rich in color, and is widely used in decoration of interior walls and floors.
3.Sandstone: Sandstone, also known as sandstone, is a sedimentary rock formed by the movement of the earth's crust, and sandstones and cements (silica, calcium carbonate, clay, iron oxide, calcium sulfate, etc.) are compressed and bonded by long-term huge pressure. The main components are sand particles (silica) content of more than 65% and cement. The properties of sandstone are weakly acidic, with uniform particles, delicate texture and loose structure, so it has high water absorption rate, and has the characteristics of sound insulation, moisture absorption, damage resistance, weather resistance, fading resistance, insoluble in water, and no radioactivity.
4.Slate: Slate is also a sedimentary rock with the same formation as sand and gravel. The ingredients are mainly silica. Its characteristics can be acid resistant. According to the composition of slab stone, slab stone can be divided into three types: carbonate slab stone, clay slab stone, carbonaceous and silica slab stone.
Artificial stone
1.Artificial marble: consists of modified resin and gravel. The properties are neutral or alkaline. Artificial stone has dense structure and therefore has small pores, so the probability of its disease is very small. In terms of protection, it is mainly to prevent pollution. The advantage is that it can adjust the color, which is conducive to finishing decoration.
2.Microcrystalline: The main components are similar to glass products, with smooth surface, brilliant colors and hard texture. Mainly used for laying the ground .
Each type of stone has its own unique characteristics and applicable occasions. When choosing stone, it should be considered based on actual needs and environmental conditions.

