FieldSTONE- heather ledge Heather Ledge is a natural porous lava wall stone that comes in thick irregular pieces. It can be used for veneer stacked walls, decorative borders, and pond edging. Color ranges from reddish brown to dark brown with a tinge of green moss and lichens. It is packaged in a wire basket attached to a pallet and is priced by the ton. AVAILABLE SIZES DESCRIPTION THICKNESS COVERAGE AREA Regular Flagstone 2" – 4" (3" – 12" dia) 45 sf / ton