Delaware Mineralogical Society is a nonprofit organization dedicated to the promotion and education of mineralogy, paleontology, and the lapidary arts. Monthly meetings with speakers and programs promote the goals of the society. The presentations take place on-site at Winterthur with time for Q & A at the end. Register through Christine Verdi scubawiz2020@gmail.com. Visit www.delminsociety.net for more information. Free.