Black Petrified Wood (Dark Color) is a semi-precious gemstone surface — a Mosaic of irregular blocky black petrified-wood segments with warm golden-brown organic grain lines tracing the fossilised wood structure between pieces; bold dark-on-gold contrast, glossy resin-bound surface. slab with a polished finish, often backlit as a feature panel, vanity or bar front. A dramatic decorative stone for interior feature applications.