SummarySpokane Gem, Mineral & Jewelry Show is happening from 23 March 2018, Friday to 25 March 2018, Sunday at Spokane County Fair & Expo Center in Spokane, WA. The organizer of the event is Spokane Rock Rollers Club. The event is open to public. The estimated number of exhibitors is 40. The frequency of Spokane Gem, Mineral & Jewelry Show is annual.