Idaho Minerals' Perlite Mine

The Hess Perlite mine at Wright's Creek in Southeast Idaho.

Perlite Expansion Furnace

Expansion furnace where perlite ore is super-heated and "popped."

2207 Forest Hills Drive,
Harrisburg, PA 17112
(717) 238-9723

Hess Perlite

Malad city, idaho usa

HESS PERLITE mines, expands and processes frothy white perlite for industrial use in a wide range of applications—including horticultural, insulative, construction, filtration, fireproofing, and agricultural applications.

The mine is located in Southeastern Idaho approximately 27 miles Northwest of the processing plant in Malad. Although the mine has been in operation since 1965, there are still over 10 million tons of perlite reserves remaining, all on patented ground.

Products & Services

Hess Perlite produces the standard perlite grades but will gladly process perlite to any spec you require and ship it where ever you need it in the world.


Hess Perlite