Fire Pit Fireplace Diamond Fire Glass - 1 Pound Bag - 24k Gold Reflective Nugget The Ultimate Fireplace Fire Pit Upgrade that Sparkles!!! 100% Genuine Diamond Fire Glass  product (Approx. 1/2" in size) Specially Formulated Glass, Energy Efficient, Enviromentally Friendly Easy Fireplace Fire Pit Glass Installation Lasts a lifetime without ever burning, melting or discoloring