Rich blue, jeweled tones shimmer against rays of light and flickering flames of fire, adding dazzling allure to exterior and interior applications. Introduce a new level of elegance to your fireplace, fire pit, landscape design, garden, water feature, or aquarium. These crushed glass stones withstand intense heat and a range of weather conditions. Available in 0.25” and 0.5” thickness, this stunning crushed glass is Greenguard Indoor Air Quality Certified^®, and does not emit any soot, ash, or harmful chemicals. Sapphire Blue fireglass delivers elevated design and elegance to most any application.