Gemma is a US-made rectified porcelain tile series offering a Marquina marble stone and Onyx stone look. The Gemma series includes a 12” x 24” porcelain tile and a 2” x 2” mesh-mounted mosaic tile in both honed or polished finishes in Black, White, Beige and Grey. Also available are 24" x 48" large-format porcelain tiles and a stunning 2” x 6” mesh-mounted brick mosaic tile, along with bullnose and cove base. Gemma porcelain tile is rated for residential and commercial applications, depending on color. .