GEM FAIRE: October 11-13, 2024, OC Fair & Event Center, 88 Fair Dr., Costa Mesa. Hours are Fri. 12pm-6pm, Sat. 10am-6pm, Sun. 10am-5pm (no admittance after 4pm Sunday). Admission $7 weekend pass. Fine jewelry, precious & semi-precious gemstones, millions of beads, crystals, gold & silver, pearls, minerals, fossils & much