American Fire Glass Black Lava Rock. 1/2in. to 1in.. 10 Pounds

The Medium Black Lava Rock from American Fire Glass offers a high quality fire media for your gas fire feature. The naturally occuring lava stones are produced when volcanic lava reacts with cool ocean water and hardens to form a temperature resistant rock that makes a perfect enhancement for a gas fire pit or fireplace. The stones keep their naturally jagged shape for a classic appearance and the 10 pound bag includes rocks that range from 1/2-inch to 1-inch sizes to enhance your fire feature.

• Choice of rock size
• Made of porous lava
• Weight: 10 lbs.
• Use as filler under or around American Fireglass products