Specific Gravity Festival is an interactive mineral and musical experience held at Pioneer Courthouse Square in historic downtown Portland, Oregon. Specific Gravity showcases exceptional mineral, gemstones, and jewelry dealers from across the nation, while featuring a variety of local craftspeople, delicious cuisine and beverages, alongside a unique blend of diverse entertainment.
Centrally located, Pioneer Courthouse Square encompasses one entire city block in the heart of downtown Portland. Bordered by multiple public transit lines, popular businesses, and Broadway Avenue, Pioneer Square is a hub for locals and tourists alike to come enjoy the sights and sounds of Portland. A choice location in the city, Pioneer Square has a storied history of hosting interesting and exciting events.
vendors, artists and more...
The weekend of July 22nd and 23rd, Specific Gravity will host a variety of vendors from noon until midnight. Specific Gravity Festival is an all-inclusive event for all ages and interest levels in crystals, mineral specimens, and fine gemstones with a twist! We offer a unique and exciting mineralogical community experience that breeds fresh ideas, practices, talent, and lasting networks.