Silica cycleCycling of silica during the maritime environment. Silicon usually takes place in mother nature as silicon dioxide (SiO2), also known as silica. It cycles in the marine environment, getting into mainly by means of riverine runoff. Silica is removed from the ocean by organisms like diatoms and radiolarians that https://friendstrs.com/post/171220_boron-carbide-powder-b-c-fine-abrasive-powder-for-lapping-polishing-and-ceramic.html