Quartz morphs, commonly called Q-morphs, are the primary shell design used for Venusian surface mining. Constructed from quartz and extremely durable alloys, Q-morphs look like four-legged crabs with two pairs of arms. The lower pair of arms is designed for strength, the upper pair for precision and dexterity. This morph is squat, exceptionally tough, and completely unable to function in temperatures below 250 C.