This week at the Des Moines County Historical Society, the artifact of interest is an amazing example of a designated state symbol. This item is a large geode, the Iowa state rock, on display at the ...

Lots of kids collect minerals, but Richard Berger wasn’t one of them. The Bronx native didn’t see his first chunk of quartz until he was in his 20s. Disillusioned with medical school, Berger was ...

Mineral motifs have long been rock stars of the design world. In the mid-20th century, Tony Duquette’s signature malachite pattern was splashed across plates, chair seats, and rugs; these days, the ...