Mayco Jungle Gems and Crystalites have merged, creating the largest, most stunning crystal glaze assortment available. Jungle Gems contain small pieces of glass frit that transform into splashes of color and patterns when fired. Pint bottles. Cone 06/05; can be fired to higher temperatures. - Mayco Jungle Gems Crystal Glaze - Blue Azure, PintMayco Jungle Gems Crystal Glaze, BLU AZURE 16OZ -