Topaz | Products - Firenzo Topaz. Firenzo Woodfires are quality built handcrafted fires. Our newest clean air and Rural insert is sleek, modern and minimalistic, with a large glass door giving the heart of your … Topaz. Firenzo Woodfires are quality built handcrafted fires. Our newest clean air and Rural insert is sleek, modern and minimalistic, with a large glass door giving the heart of your …