We mine our own gypsum in Las Vegas to distribute throughout USA and export worldwide. With focus on bulk supply to the farmi ... ng, cement and wall board industries we are a leader in quality. The Pink Stuff brand has recently entered into the retail side of the industry, we supply the retail market with 40 lbs bags. The mine has been operating since 1904, with proven reserves of the highest grade gypsum available on the US market today. We pride ourselves on quality and separate ourselves from the competition with the unique color. Our Gypsum is 95% (+/- 5%) pure (the highest in the industry) is proven to deliver the best results in all related industries. Our team is dedicated to provide the highest quality gypsum for all of our customers. We sell in bulk or bagged. The pink in our gypsum is due to the pure dihydrite mixed with iron oxide based on the geography of where our mine is located. In layman's terms, a tiny bit of red rock turns our white gypsum pink. Farmers know that The Pink Stuff is trust worthy quality that dissolves most effectively in the field and benefits the roots of the crops the quickest. The major difference between The Pink Stuff and generic white gypsum is that the pink contains dihydrite instead of anhydride, allowing the gypsum to dissolve faster. read more