About Exhibition Gem Faire Eugene - June 2026 will be held from 12th - 14th June 2026 at Lane County Events Center/Exhibit Hall in Eugene, United State of America. This is a gem and mineral show that takes place in Santa Barbara. It features over 300 vendors selling a wide variety of gems, minerals, jewelry, and other related products. There are also educational exhibits and demonstrations, making it a great place to learn about gems and minerals.