Purple Fluorite (Backlit) is a semi-precious gemstone surface — a Backlit purple fluorite gemstone slab — a mosaic of irregular fluorite fragments with bold violet-and-white banded movement and translucent crystalline zones; luxe statement surface for feature walls and backlit panels. slab with a polished finish, often backlit as a feature panel, vanity or bar front. A dramatic decorative stone for interior feature applications.