The Humboldt Gem, Mineral and Fossil Show is back and ready to delight fancy rock enthusiasts of all ages Friday, Nov. 3, from 9 a.m. to 6 p.m., Saturday, Nov. 4, from 10 a.m. to 6 p.m. and Sunday, Nov. 5, from 10 a.m. to 5 p.m. at Redwood Acres Fairgrounds ($4, $1 kids 6-12, […]