Crystal This listing is for one (1) smokey quartz pyramid. (2brownshelf-13) Stock photo. The measurement and characteristics will vary for each of this natural stones. The measurement of these stones range from: 17-22mm x 21-27mm x 21-27mm approx 1" Great to use for crafting, meditation, spiritual practices. Makes a great gift! Stones are natural and may have inclusions. These are natural parts of the stones. According to legend and folklore: The sacred shape of a pyramid that dates back more than 5,000 years. The pyramid shape is a supernatural source of power and energy! Pyramids amplify and balance energy through their apex. Everything within the electromagnetic field of a pyramid is believed to move towards harmony.