Diatomaceous (also known as diatomaceous earth or DE) refers to a soft, sedimentary rock that is made up of the fossilized remains of diatoms, which are microscopic, single-celled algae with a hard, silica-based cell wall. Diatomaceous earth is composed of the skeletal remains of diatoms that have accumulated over millions of years, forming deposits in marine and freshwater environments.
Diatomaceous earth is commonly used in a variety of industrial, agricultural, and household applications due to its unique properties, including its abrasive nature, high porosity, and ability to absorb water and oils. It is often used as an insecticide, as a filtration medium in swimming pools and water treatment plants, and as an abrasive in polishes and cleaners. It can also be used as a dietary supplement for humans and animals due to its high silica content.