From teaching experience. XI. History and philosophy at the crystallography and mineralogy courses

The article is devoted to the history and philosophy of crystallography and mineralogy. Composed from individual plots, in general, it shows a wide range of topics advisable to discuss with geological students at the Crystallography and Mineralogy courses. This can be done in the framework of the lectures during pauses recommended by the current pedagogical methods, or optionally. An extensive list of primary sources and fresh literature is given to prepare conversations. Their goal is attracting students to read a serious literature on the history and philosophy of the studied sciences.