M0311700 (mĭn′ə-rŏl′ə-jē, -răl′-)n.pl.min·er·al·o·gies1. The study of minerals, including their distribution, identification, and properties.2. A book or treatise on mineralogy.min′er·a·log′i·cal(-ər-ə-lŏj′ĭ-kəl) adj.min′er·a·log′i·cal·ly adv.min′er·al′o·gist n.EncyclopediaSeemineralogy