Attapulgite.
D000818:Animals; D002273:Carcinogens; D006801:Humans; D008274:Magnesium / Q000633:toxicity*; D017616:Magnesium Compounds; D012307:Risk Factors; D012825:Silicon / Q000633:toxicity*; D017655:Silicon Compounds
D002273:Carcinogens; D017616:Magnesium Compounds; D017655:Silicon Compounds; D008274:Magnesium; C026325:attapulgite; D012825:Silicon