Clay minerals are a major constituent of the earth's surface and are mainly found in the sediments of lakes, rivers and oceans. The properties of clay and claystone crucially depend on how the tiny ...

BETHEL, Ohio — There are two ways to determine the purity of clay. “One is to bring a sample into the laboratory and do a study of it,” said Warren Huff, a University of Cincinnati mineralogist. “The ...

BUFFALO, N.Y. -- What makes some clays such powerful antimicrobial agents capable of killing MRSA and other virulent bacteria? It's a question that University at Buffalo researchers have been studying ...