... Basalt Pillar Stone Sink with Black Polished Interior and Rough Block Skin Exterior; Oversized Granite Bowl Sink; Cylindrical ... Round Rim; Scalene Vessel Sink; Travertine Sink with Rough Exterior and Honed Interior; Black Basalt Honed Vessel ... Mediterranean Custom Sink Specification:1) Material: granite, marble, basalt, sandstone, travertine, rock boulder, limestone, and onyx2) Color: yellow , white, ...