The
shell can reach in length, but typically measures between . Compared with other cones,
C. gloriamaris is relatively large, slender, with a tall
spire. It is finely reticulated with orange-brown lines, enclosing triangular spaces similar to other textile cones, and two or three bands of chestnut hieroglyphic markings across its body. It is sometimes confused with the common Textile cone, and there is a similarity to the Bengal cone. The tan coloration can vary from a lighter, golden color to a deeper dark brown, with intricate detailing. ==Collector value==