Where does the Best Bentonite Come From? |
Oct 01, 2013#0183;#32;Miners unearth calcium and sodium bentonite clays all over the world, including in Wyoming, Montana, Texas, Arizona, California, Florida and France, where montmorillonite got its name. Yes, most of the supply of the bestswelling bentonite comes from Wyoming and Montanaabout threequarters by USGS estimate. But highqualitydrilling qualityclays come from all over.