SHOP › Volcanic Cup Image 1 of 6 Image 2 of 6 Image 3 of 6 Image 4 of 6 Image 5 of 6 Image 6 of 6 Volcanic Cup $30.00 5.5in H x 4.5in W. Straight angular cup glazed with gray and brown, and drips of Bluing metal. Add To Cart Added! 5.5in H x 4.5in W. Straight angular cup glazed with gray and brown, and drips of Bluing metal.