min·er·al·o·gy 
(mĭn′ə-rŏlə-jē, -răl-)
(mĭn′ə-rŏlə-jē, -răl-)n. pl. min·er·al·o·gies
1. The study of minerals, including their distribution, identification, and properties.
2. A book or treatise on mineralogy.
min′er·a·logi·cal (-ər-ə-lŏjĭ-kəl) adj.
min′er·a·logi·cal·ly adv.
min′er·alo·gist n.