The composition of pebbles of decorative gravels and its performance

Originally, thick and big rocks, but after millions of years of rain erosion and each other between collide, decorative gravels became the pebbles in the dolphin rounded plain and simple and honest.

Cobblestone main chemical compositions are silica, followed by small amounts of iron and trace amounts of manganese, copper, aluminum, magnesium and other elements and compounds.

They themselves with different colors, such as red as the iron, the blue copper, purple for manganese, translucent yellow for silica gel chalcedony, jade color with green mineral and so on, glow in the dark stone due to the different kinds and contents of these pigment ions dissolved silica hydrothermal, thus showing the depth of shade, the changing color pebbles show black, white, yellow, red, green, green color.