Unique 21+ Fire Rocks For Gas Fireplace
Unique 21+ Fire Rocks For Gas Fireplace. When you buy fire pit glass from fire pit essentials, you'll be satisfied with your purchase and impressed with the superior quality of the product when it our fire rock is heat proof and ideal for use in indoor and outdoor gas fire pits and fireplaces. Fire rock is manufactured lava rock that is sold in various shapes and sizes, and is used as a medium for retaining direct heat.