Tenax AGER Color Enhancing Sealer - 1 Quart | Wet-Look Granite & Marble Sealer | Stone Enhancer for Granite, Marble, Travertine | Deepens Color & Protects Against Stains | Indoor/Outdoor Use

This one is good although I haven't used it on flooring. I disagree with the guy who says wet look makes it slippery -- your stone looks like it has plenty of texture. https://a.co/d/07huzFBq