Introduction to Diatomite Prices The global Diatomite Prices trend has shown mixed movement across major regions during the third quarter of 2025. Diatomite, a naturally occurring siliceous sedimentary rock composed of fossilized diatoms, plays an essential role in industries such as filtration, paints and coatings, construction, agriculture, pharmaceuticals, and food processing. Due to its high porosity, lightweight structure, and strong adsorption properties, it remains a