shop › Celadon latte cup 1 Image 1 of 3 Image 2 of 3 Image 3 of 3 Celadon latte cup 1 $50.00 Stoneware and wild clay blend with celadon glaze. Woodfired to 1,280 degrees in the catenary arch kiln for 30 hours. Add To Cart Added! Stoneware and wild clay blend with celadon glaze. Woodfired to 1,280 degrees in the catenary arch kiln for 30 hours.