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 -Crystalite Class Pack #2, Pint, Set of 6Crystalite Glaze Kits, KIT 2 - This set of 6 pints includes Peacock Eyes, Plum Jelly, Oriental Carmel, Tahiti Grape, Herb Garden, and Safari.