Petrified Wood (Gold Foil) is a semi-precious gemstone surface — a Composite semi-precious slab of cross-cut petrified wood slices — concentric fossilized tree-ring forms — set in a translucent agate​/​quartz matrix with metallic gold-foil filling the interstices. Reads as luxe organic gemstone surface. slab with a polished finish, often backlit as a feature panel, vanity or bar front. A dramatic decorative stone for interior feature applications.