On 03.12.2025, students from the fifth, sixth, seventh and eighth grades, together with the Headmaster of the NiKator Secondary School, Ms. Shara Karsakpaeva, visited the St. Ivan Rilski University of Mining and Geology in Sofia. They had the unique opportunity to view the rich collection of minerals in the university museum. They participated in an open lesson, led by Senior Assistant Professor Dr. Kamelia Marinova, on the importance of mineralogy, conducted experiments to determine the hardness of various minerals and the phenomenon of fluorescence. At the end of the lesson, they solved a thematic crossword puzzle. They also received a gift – an amethyst – a stone for protecting a person and preserving his sound judgment. The students also visited the university library, held a short meeting with the rector – professor Ivaylo Koprev, who told curious facts about the extraction of minerals and their importance for society. They also entered the specially erected chapel of St. Ivan Rilski in the university courtyard – one of the most revered Bulgarian saints – the patron saint of the Bulgarian people, patron of miners, geologists and workers in the mineral and raw materials industry. The meeting was very interesting and opened up a new, impressive, rich and valuable world to the children.