Vortex13 Studio/Gallery  |  35 North Market Street Frederick MD 21701  |  Phone: 240.439.4000 Vortex13 Studio/Gallery  |  35 North Market Street Frederick MD 21701  |  Phone: 240-439-4000  |  Studio & Showroom of Master Goldsmith Douglas Zaruba Hours: Tuesday - Thursday 10-6 Friday & Saturday 12-8 Sunday