Mineralogy/ˌmɪnəˈrælədʒi/ Definition 1 of 2Pro Tip 1/3Academic Focus Used mainly in educational or scientific discussions about minerals and their properties. He published an article on the mineralogy of volcanic rocks. Pro Tip 2/3Not Just Rocks Encompasses study of mineral structures, formation, and classification, not only rocks. Her mineralogy thesis explored crystal lattices. Pro Tip 3/3Interdisciplinary Mineralogy intersects with other sciences like chemistry and geography. Chemical analysis is vital in mineralogy.