Copper Reflective Nugget Diamond Fire Glass 5 Pound Bag The Ultimate Fireplace Upgrade that Sparkles!!! 100% Genuine Diamond Fire Glass product (Approx. 1/2" size nuggets) Easy Installation, Specially Formulated High Heat Tempered Glass, Energy Efficient, Enviromentally Friendly Our Unique Hand Crafted Process Ensures Your Fireplace Fire Pit Glass Will Sparkle With A More Brilliant Shine! Replaces Lava Rocks or Gas Logs For A Modern And Elegant Look