Local chemist and rock-hound Calvin Webb teaches kids and adults all about rocks and minerals during this free, two-hour class at Southeast Regional Library.
DETAILS >> 10:30 a.m. to 12:30 p.m. (ages 8-12) and 2 p.m. to 4 p.m. (ages 13-adult) Saturday, May 31. Southeast Regional Library, 775 N. Greenfield Road, Gilbert. Free, but registration is required. (602) 652-3000 or Mcldaz.org.