Earrings without Glass › Solid Niobium Frill Hoop Image 1 of 1 Solid Niobium Frill Hoop $240.00 Hand-fabricated from sterling silver and niobium.*Learn about niobium here. Add To Cart Added! Hand-fabricated from sterling silver and niobium.*Learn about niobium here. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More