The chronicles of New Mexico industrial minerals: perlite. [2 tables in original article].

(From Chemical Business NewsBase - Industrial Minerals)

The perlite industry in the United States suffered setbacks in the last few years partly due to declining domestic consumption and strong competition from Greece. The United States manufactured about 510,000 tonnes/y of crude perlite in 2004, according to the United States Geological Survey. Of the total, construction applications accounted for 62%, horticultural aggregate 13%, fillers 10% filter aids 9%, and other uses 6%. …