: Known for its massive selection of vitreous tiles, recycled glass, and 6-inch stained glass sheets from brands like Youghiogheny.

Specialty stores are the gold standard for artists because they offer curated selections of glass types like vitreous, iridescent, and handmade smalti.

: Specializes in authentic Italian tesserae, including unique cuts and nearly 300 colors of smalti.

: A premier family-owned source for high-quality Italian and Mexican smalti, plus tools like hammers and hardies.