Production Description: Set of sixteen control crystals used during the production of Stargate SG-1 and Stargate Atlantis. Crystals were used for both control and storage on alien ships and within alien locations, such as the City of Atlantis, as well as Earth ships that had adopted alien technologies.

Technical Description: Set of sixteen crystal props including: three clear resin crystals, two are frosted, one is tinted amber, measures 1.5in x .75in, 2.75in x .75, and 5.25in x 1in x .75in. Thirteen clear acrylic panels cut into geometric shapes, seven have simulated circuitry decals, eleven have etched simulated circuitry, measures 1.5in x 1.25in x .25in, 2.5in x 1.5in x .25in, 4.25in x 1.25in x .25in, 4in x 1.75in x .25in, 4in x 2in x .25in, 6in x 2.25in, 6in x 3in x .5in, two measure 3.75 x 2.25in x .25in, and four measure 2.25in x 2in x .25in.