The Adams Grand Catia Limestone Fireplace. The Grand Catia Limestone Fireplace made from 100% natural Limestone the progressive styling of the Grande Catia fireplace draws the eye's attention to your fire. It's simple geometry makes this an ideal choice for any room * Natural Portuguese limestone surround * Contains intricate bedding and natural fossils * Includes surround, backpanel and hearth * Standard opening and will accomodate any inset gas or electric fire