Close-up Of Aquarium Corals Royalty-Free Stock Photo

Coral is coral secrete shell, the chemical composition of coral are mainly CaCO3 calcium carbonate, exist in the form of microcrystalline calcite collection, there is a certain amount of organic matter in the composition, configuration shown more dendritic, with longitudinal stripes, each monomer coral cross-sectional have concentric rings and radial stripes, often with a white color, also have a small amount of blue, and black, coral image not only like the branches, bright beautiful, can do adornment, and there is a high medicinal value.