MINING AND REFINING
THE WORLD’S PUREST
OF WHITE PUMICE
Located in Southeastern Idaho near the community of Malad City, Hess Pumice Products is a mining & processing operation specializing in the extraction and refining of the world’s purest commercial deposit of white pumice. In continual operation since 1958, we’re the largest producer of processed pumice on the planet. Why? The natural quality of our deposit, our “On Spec—On Time” promise, and a dedication to the highest standards of quality control.
Pumice amazingly versatile and used across an wide range of industries. We produce over 300 spec grades of pumice for these industries—from one-inch nuggets to the consistency of smoke—all made from pumice with a hardness and purity recognized as superior to any source worldwide. We know pumice: we’ll help you determine what you need.