Labradorite (Gold Foil) is a semi-precious gemstone surface — a Backlit semi-precious labradorite slab — dark blue-grey-green iridescent stone fragments arranged in a mosaic​/​breccia network, bound by bright metallic gold-foil veins. High-gloss luxury feature-surface look. slab with a polished finish, often backlit as a feature panel, vanity or bar front. A dramatic decorative stone for interior feature applications.