Silica cycleCycling of silica within the marine environment. Silicon normally takes place in character as silicon dioxide (SiO2), also called silica. It cycles through the marine environment, entering mostly by means of riverine runoff. Silica is faraway from the ocean by organisms such as diatoms and radiolarians that use an https://www.bib.az/post/235637_calcium-stearate-emulsion-a-hydrophobic-additive-for-plastics-concrete-and-lubri.html