Boulders of petrified wood, jade and quartz — each of them weighing about a ton — sparkle in the sun outside the Lizzadro Museum of Lapidary Art in Oak Brook. Tucked away in a suburban office park, ...

ANTIOCH — They don’t have rocks in their heads, but a few East Contra Costa County residents certainly have them on their minds. Meet the Antioch Lapidary Club, whose approximately four dozen members ...

Regina and Jill Collins have been enjoying mother-daughter outings to the Lizzadro Museum of Lapidary Art for about 10 years. Regina, who was interested in polished rocks, first took her daughter, now ...

Joe and Lucy Cota rock. They have to. It’s their job. The Cotas own the Rock Castle and Cota’s Lapidary near Lebanon. Nearly every day they are buying, selling, cutting, shaping and polishing rock, ...

This is a preview. Log in through your library . Journal Information Current issues are now on the Chicago Journals website. Read the latest issue.Speculum is the oldest U.S. journal devoted ...