In a defunct silver mine, an insightful geologist saw what others overlooked – rhodochrosite with its enticing shades of pink and rose and scarlet. A mineral coveted for its beauty, collectors often pay more for a specimen than a car. What did the geologist see and how is it carefully extracted with diamond-tipped chain saws? See specimens for yourself, but beware, they are highly addicting.

Location: Liberty Hall, 325 W. Benton, lecture room