Home Crystal River Gems Website Email Visit the CRG rock shop at its new showroom in the historic Diamond Building. Featuring crystals, geodes, gemstones, selenite, tourmaline, agate and home decor imported worldwide. Lowest prices. Largest selection. Amenities Amenities Credit Cards Accepted Save Crystal River Gems100 Fifth Ave. Pittsburgh, Pennsylvania 15222DetailsOpen in Google Maps Map Full View Crystal River Gems 100 Fifth Ave. Pittsburgh, Pennsylvania 15222 (412) 391-5310 Hours M-S: 10:30-6, Su: Closed