Coloured pebbles

As a pure natural stone, the five colored cobbles, taken from the sand and stone mountains of the ancient river bed after the crustal movement of tens of millions of years ago, have experienced continuous extrusion and friction during the process of mountain torrents and flowing water. In the course of the evolution of the vicissitudes of thousands of years, the movement of their waves and punching water has lost the irregularities of the rubbing and rubbing of gravel, and silenced in the underground for millions of years. The main chemical composition of pebble is silica, followed by a small amount of iron oxide and trace elements such as manganese, copper, aluminum, magnesium and other compounds. They have different pigments, such as red red for iron, blue for copper, purple for manganese, yellow semitransparent as silica gel pulp, jadeite color containing green minerals and so on. So that pebbles appear black, white, yellow, red, dark green, gray and so on.
The use of coloured pebbles:
Hard and wear-resistant, natural color, colorful, as a residential road, garden attractions, Gaestgiveriet Hotel lobby paved decorative materials. Cobblestones also provide high-quality materials for water purification, sewage treatment, electricity, gardens and other projects. It also provides raw and auxiliary materials for ceramics, precision casting, paper making, spray grinding, chemical industry, monocrystalline silicon, national defense and so on.
Specification (CM):0.5-1 1--3 2--4 3--5 4--6 5--8 6--10 8--12 10--16 16--32
Surface treatment: natural luster, matte, wax.
On the distribution of pebbles:
The main domestic coloured cobblestone origin is from the Lingshou area of Hebei. The front area of the Taihang Mountains is rich in resources and most of them are deposited. In addition, the pebble resources in the rest of the region are also rich, and the pebble resources in the North including Shijiazhuang and Lingshou have their own characteristics, and the species are rich and rich in variety. Among them, Shijiazhuang and Lingshou's Pebble resources are relatively well preserved because of historical reasons. There are many large pebbles in the southwest, which are large and odd in shape. They are especially suitable for geomantic stones or cultural stones of landmark buildings.