Red Emerald (Backlit) is a semi-precious gemstone surface — a Backlit semi-precious gemstone slab built from irregular angular green crystalline chips (agate​/​quartz-like) fitted in a mosaic, glowing translucent green when lit from behind. Each fragment shows internal banding​/​striations separated by dark mortar lines. slab with a polished finish, often backlit as a feature panel, vanity or bar front. A dramatic decorative stone for interior feature applications.