Four Corners Gem and Mineral Club will host a free lecture, “Agates versus Jaspers: what they are and how to tell them apart,” at 6 p.m. Monday at 2351 Main Ave.
Member Tom Strain will bring examples of the rocks from around the Western U.S. Club members and the public are encouraged to bring their own samples to identify.
For more information, visit www.durangorocks.org.
